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Meet the Sea to Summit Spark Pro -1C Long Sleeping Bag, which adapts to various conditions while maintaining a lightweight and functional design, making it great for camping and backpacking.

Meet the Sea to Summit Spark Pro -1C Long Sleeping Bag, which adapts to various conditions while maintaining a lightweight and functional design, making it great for camping and backpacking.

Sea to Summit

Sea to Summit Spark Pro -1C Long Sleeping Bag Grey

£440.00 £550.00 20% off
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

90-day returns period

We hope that you are perfectly happy with your order from Trekitt, but we understand that sometimes you may need to return an item. We offer a 90-day returns period from the date of purchase and aim to process all returns within 48 working hours of receipt. During exceptionally busy periods, returns may take up to 7 working days to be processed.
Please note: Our DPD Returns Portal is temporarily unavailable for a couple of weeks while we make improvements to the service. During this time, customers will need to arrange their own return postage.
We do not offer a free returns service. Customers returning items using their own postal service and our returns form are responsible for any postage costs when returning goods (excluding warranty returns).
To arrange your return, please complete the Returns PDF form and send you item to our warehouse at:
Returns
Unit H&J, Moreton Business Park
Hereford
HR4 8DS
Thank you for your patience while we improve our returns service.



The Trekitt Returns Policy Includes...
A 90 day return period and the Trekitt 2-year Common Sense Guarantee.

Exemptions & Surcharges
PPE (Facemasks, Climbing Equipment etc. ), Food Goods, Accessory Cord, Socks & Underwear can only be returned if they have not been worn and/or removed from their original packaging with all swing tags still attached. If there is any sign or possibility that the goods have been used, tampered with or contaminated in any way, then we cannot accept a return on the grounds of consumer safety. Zips are typically not covered under a manufacturer's warranty.

Please take care when packaging your returning order as customers will be liable for any exceptions or surcharges incurred for incorrectly packaged returns. You will be informed via email of the value of the charges which will be deducted form your refund amount.

The above does not affect the Consumer Contract Regulations. Click here to read more.

I want to return/exchange an online order
I want to return an unwanted item I want to return a faulty item under warranty I want to Exchange an item
Post it back to us Bring it back to us

To return an item to us, you must first:

  • Ensure the item is unused and in its original condition (including all label, tags and Boxes) and in a resellable condition
  • To arrange return postage for your items. Please use our warehouse returns address (Returns, Unit H&J, Moreton Business Park, Hereford, HR4 8DS) when completing the Returns PDF form here.
  • Appropriately package your item in protective packaging, failure to do so will invalidate your rights to a full refund or return (including footwear boxes which can be damaged in transit/customer care if not protected)
  • Please take care when packaging your returning order as customers will be liable for any exceptions or surcharges incurred for incorrectly packaged returns. You will be informed via email of the value of the charges which will be deducted form your refund amount.

Trekitt Returns,
Unit H-J,
Moreton Business Park,
Hereford,
HR4 8DS

Please ensure the service you use corresponds to the size/weight/value of the item. We regret to inform you that we cannot be held responsible for returned goods that become lost or damaged in transit. We therefore strongly recommend that you use a recorded/insured delivery service and keep a record of this and track your item. Once it has arrived at our warehouse, please wait the advised 48 hours for your refund which you will be notified of with a refund receipt sent to your account email. If you have not heard anything after this then please reach out to our Customer Support Team [email protected].

You can also return internet purchases at the Trekitt Service Centre in Hereford. To speed things along, please bring the Sales Invoice we sent via email as proof of purchase.

If you choose to receive a refund, this will be processed separately by our Customer Support Team.

You may exchange product(s) at the shop for Goods of an equal or higher value for which you will receive a new receipt.

Please note:
PPE (Facemasks, Climbing Equipment), Food Goods, Socks & Underwear can only be returned if everything is exactly as it was received. Packaging and labelling must be intact, and underwear must be unworn. If there is any sign or possibility that the goods have been used, tampered with, or contaminated in any way then we regret that we are unable to accept a return on the grounds of consumer safety.

This does not affect Consumer Contract Regulations.

Post it back to us Bring it back to us

If you feel that your item is defective/broken/faulty and it is still under warranty, please contact our Customer Support team ([email protected]) with as much information as possible with regards to the fault, including photos if applicable.

In return, they will supply you with a Returns Authorisation Number (RAN), a Returns Form and a FREE postage label. Please complete the returns form with as much detail as possible and include it with your item.

Download our Returns Form.

Trekitt Returns,
Unit H-J,
Moreton Business Park,
Hereford,
HR4 8DS

We cannot make any decisions before inspecting any claim. Should the item be found genuinely faulty, we aim to reach a fair and agreed solution, which may be a refund, a replacement or a professional repair.

Please note: We may need to send items to the original supplier, or a fully certified testing company. This process can take up to four weeks or longer during busy periods.

THIS BIT IS IMPORTANT! - To ensure your Warranty Return goes smoothly, please ensure all items are in a clean, dry condition and free from dirt. Any items that do not meet the above criteria will be sent back to you for health and hygiene purposes or you may be contacted asking if you would like us to clean it for you, where a cleaning charge will be applied with a minimum charge of £25.00.

Failure to follow the Warranty Returns procedure may significantly affect our ability to process your return and cause a delay in issuing your refund/replacement/repair.

You can also return internet purchases at the Trekitt Service Centre in Hereford. To speed things along, please bring the Sales Invoice we sent via email as proof of purchase.

If you choose to receive a refund, this will be processed separately by our Customer Support Team.

You may exchange product(s) at the shop for Goods of an equal or higher value for which you will receive a new receipt.

Online Bring it back to us

We do not offer exchanges. Instead we ask you kindly to complete a new order for the desired replacement and return the unwanted Good(s) for a refund. We acknowledge that this might seem more complicated, we can assure you it is by far the most efficient and fastest way to ensure that you receive the goods you require.

Any returns sent back requesting an exchange will be refunded in line with our returns process.

You can exchange internet purchases at the Trekitt Service Centre in Hereford, to speed things along please remember to present the sales invoice supplied by us in respect of such Goods as proof of purchase. You may exchange product(s) at the shop for Goods of an equal or higher value for which you will receive a new receipt.

Book an appointment
When will I receive my refund?
I paid by card I paid using PayPal

Once our Returns Team has processed your refund, you will receive a new e-receipt showing the returned item(s). After this you should expect to see your funds back in your account within 3 to 5 working days, depending on how your card provider processes refunds.

Refunds can only be made to the original payment method and are normally processed within 2 working days, however, during busy periods they can take up to 7 days.

Once our Returns Team has processed your refund, you will receive a new e-receipt showing the returned item(s). After this you should expect to see your funds back in your PayPal account that same day.

Refunds can only be made to the original payment method and are normally processed within 48 hours, however, during busy periods they can take up to 7 days.

What is the Trekitt 2-year Common Sense Guarantee?

We love this business and take great care personally selecting the products we sell. We are confident that the kit we have chosen is the best currently available.

That is why we offer our Trekitt Common Sense 2-year guarantee on every product we sell!

Therefore, if within 2-years a manufacturing fault develops in the materials or construction of a product that we have sold you, we guarantee to sort it out. We aim to reach a fair and agreed solution, which may be a refund, replacement or a professional repair.

The "common sense" bit. Please don't send us kit that has been used and abused and is completely worn out, and then expect us to replace it. Stuff does wear out, it's a fact of life, however if you feel that your purchase is genuinely faulty please get in touch with us at [email protected]

Please note:
PPE (Facemasks, Climbing Equipment), Food Goods, Socks & Underwear can only be returned if everything is exactly as it was received. Packaging and labelling must be intact, and underwear must be unworn. If there is any sign or possibility that the goods have been used, tampered with, or contaminated in any way then we regret that we are unable to accept a return on the grounds of consumer safety.

This does not affect Consumer Contract Regulations.

What does "90 Day Returns Period" mean?

We offer an 90 Day returns period provided the items are returned in the original condition that you received them, including all labels and packaging intact.

Please note:
PPE (Facemasks, Climbing Equipment), Food Goods, Socks & Underwear can only be returned if everything is exactly as it was received. Packaging and labelling must be intact, and underwear must be unworn. If there is any sign or possibility that the goods have been used, tampered with, or contaminated in any way then we regret that we are unable to accept a return on the grounds of consumer safety.

This does not affect Consumer Contract Regulations.

Consumer Contract Regulations (CCR)

What are the Consumer Contract Regulations?

Under the "Consumer Contract Regulations, you have the right to cancel an order for goods made at a distance. These rights start from the moment you place your order and ends 14 days from the day you receive your goods.

Your right to cancel

Your right to cancel an order for goods starts the moment you place your order and ends 14 days from the day you receive your goods.

This 14 day period is the time you have to decide whether to cancel, you then have a further 14 days to actually send the goods back.

Your Right to a Refund under CCR

You may get a refund within 14 days of either, the trader getting the goods back, or you providing evidence of having returned the goods (for example, a proof of postage receipt from the post office), whichever is the sooner.

A deduction can be made if the value of the goods has been reduced as a result of you handling the goods more than was necessary. The extent to which you can handle the goods is the same as it would be if you were assessing them in a shop.

Refunding the cost of delivery

The trader has to refund the basic delivery cost of getting the goods to you in the first place, so if you opted for enhanced service e.g. guaranteed next day, it only has to refund the basic cost.

Exemptions

There are some circumstances where the Consumer Contracts Regulations does not give you a right to cancel. These include CDs, DVDs or software if you've broken the seal on the wrapping, perishable items and tailor-made or personalised items. They also include goods with a seal for health protection and hygiene reasons that have been broken or tampered with, e.g. Climbing Equipment and PPE.

My goods are broken

If you feel that your item is defective/broken/faulty and it is still under warranty, please contact our Customer Support team([email protected])with as much information as possible with regards to the fault, including photos if applicable.

We want to reduce our impact on the environment as much as possible, the first step for this is reducing our waste. Therefore, please note that we will always offer a professional repair in the first instance; if the product can be repaired.

This may involve your product being sent back to our suppliers or to a professional repair company. Please note that due tovaried procedures, warranty claims and repairs can take between 2 and 4 weeks to be concluded

Consumer Contract Regulations (CCR)

What are the Consumer Contract Regulations?

Under the "Consumer Contract Regulations, you have the right to cancel an order for goods made at a distance. These rights start from the moment you place your order and ends 14 days from the day you receive your goods.

Your right to cancel

Your right to cancel an order for goods starts the moment you place your order and ends 14 days from the day you receive your goods.

This 14 day period is the time you have to decide whether to cancel, you then have a further 14 days to actually send the goods back.

Your Right to a Refund under CCR

You may get a refund within 14 days of either, the trader getting the goods back, or you providing evidence of having returned the goods (for example, a proof of postage receipt from the post office), whichever is the sooner.

A deduction can be made if the value of the goods has been reduced as a result of you handling the goods more than was necessary. The extent to which you can handle the goods is the same as it would be if you were assessing them in a shop.

Refunding the cost of delivery

The trader has to refund the basic delivery cost of getting the goods to you in the first place, so if you opted for enhanced service e.g. guaranteed next day, it only has to refund the basic cost.

Exemptions

There are some circumstances where the Consumer Contracts Regulations does not give you a right to cancel. These include CDs, DVDs or software if you've broken the seal on the wrapping, perishable items and tailor-made or personalised items. They also include goods with a seal for health protection and hygiene reasons that have been broken or tampered with, e.g. Climbing Equipment and PPE.

Sea to Summit Spark Pro -1C Long Sleeping Bag Grey

Season:SS26

Brand:Sea to Summit

Code:ASL041071-210104

Product Ratings

Weight
LightHeavy
Packsize
SmallLarge
Warmth
WarmExtremely Warm

We find this suitable for

Camping

Hiking

Backpacking

What is the Sea to Summit Spark Pro -1C Long Sleeping Bag?

The Sea to Summit Spark Pro -1C is a high-performance sleeping bag designed for lightweight adventures. It is equipped with features that make it adaptable to various conditions, ensuring versatility and functionality. With its optimal warmth-to-weight ratio, this sleeping bag provides exceptional comfort while remaining lightweight and easily packable. Whether embarking on a backpacking trip or camping under the stars, the Spark Pro sleeping bag offers the perfect balance of warmth, comfort, and portability to enhance your outdoor experience.

What is it made of?

Insulation:The insulation of the Sea to Summit Spark Pro sleeping bag is composed of 900+ fill power goose down. This high fill power ensures an exceptional warmth-to-weight ratio, meaning the bag can provide significant warmth without adding excessive weight, making it ideal for backpacking and outdoor adventures where each gram matters.
Additionally, the goose down undergoes Ultra Dry Down treatment, enhancing its water resistance in damp conditions. This treatment ensures that even if the sleeping bag gets exposed to moisture, the down insulation retains its loft and insulating properties, keeping you warm and comfortable throughout the night.
The Responsible Down Standard (RDS) certification guarantees ethical sourcing practices, ensuring that the down is obtained from geese that have been treated humanely. Furthermore, independent testing by the International Down and Feather Laboratory (IDFL) ensures the quality and performance of the down insulation, reassuring users about the insulation's reliability.
This sleeping bag also boasts non-PFC (Perfluorinated Chemicals) status. PFCs are commonly used in outdoor gear to provide water repellency, but they have been linked to environmental and health concerns. By opting for non-PFC materials, Sea to Summit ensures their products are free from these potentially harmful chemicals, promoting environmental responsibility and user safety.

Shell and Lining:The shell and lining of the Sea to Summit Spark Pro sleeping bag are constructed using 10-denier nylon fabric. This material is lightweight, which is advantageous for backpackers and those looking to minimise the weight of their gear without compromising on durability or performance.
The 10-denier nylon fabric offers breathability, allowing moisture vapour to escape from the interior of the sleeping bag, thus preventing overheating and ensuring comfort throughout the night. Moreover, it provides effective temperature regulation, helping to keep you warm in cold conditions while preventing overheating in warmer temperatures.

Hood and Footbox:The hood and footbox of the Sea to Summit Spark sleeping bag feature 10-denier nylon waterproof-breathable fabric. This material offers enhanced protection against moisture, ensuring you stay dry even in damp or wet conditions. The waterproof feature prevents water from seeping into the sleeping bag, while the breathable aspect allows moisture vapour to escape, preventing condensation buildup inside the bag.

What are its features?

This Sea to Summit Spark Pro sleeping bag comes with a Free Flow Zip System that offers unparalleled temperature regulation and adaptability. It allows for multiple zipper configurations, enabling users to adjust their sleeping bag for various climates and personal preferences. Whether you need maximum ventilation or enhanced insulation, this system can easily be tailored to your sleeping needs.
With three configurations available, including a quilt, two bags coupled together, or a standard setup, the Free Flow Zip System offers versatility and adaptability to suit changing circumstances. This flexibility ensures that your sleeping bag can evolve with your adventures, providing comfort and warmth in any situation.
This bag boasts a mummy-fit design, featuring a fitted cut that contours to the body's shape while providing ample room in the footbox. This design maximises thermal efficiency by reducing dead air space within the bag, ensuring you stay warm without unnecessary bulk or weight.
The QuiltLock system further enhances the versatility and thermal performance of this Sea to Summit sleeping bag.
By securely attaching a quilt to the sleeping bag using snap locks located at the shoulder and foot end, the QuiltLock system transforms a three-season bag into a four-season solution.
The system provides added insulation and warmth, particularly in colder conditions, ensuring you can stay comfortable and protected from the elements.
The combination of box wall baffles in the top half of the sleeping bag and sewn-through quilted construction in the lower half represents a great approach to insulation and comfort. In the top half, box wall baffles create individual chambers that maintain the loft of the down insulation, ensuring consistent warmth and minimising cold spots. This design is particularly effective in areas where insulation is crucial, such as around the torso and shoulders. Meanwhile, the sewn-through quilted construction in the lower half provides a lightweight and breathable solution, ideal for areas with less critical insulation needs. This thoughtful combination ensures that the sleeping bag offers optimal warmth and comfort throughout, catering to different insulation needs across the body and enhancing the overall sleeping experience in diverse outdoor conditions.
The Spark Pro -1C features a fitted front draft collar for maximum comfort and warmth retention. The collar is scalloped over the neck, ensuring a snug fit that effectively seals in heat and prevents cold air from entering the sleeping bag. Additionally, it is oversized at the shoulders, providing ample coverage and insulation in areas prone to heat loss. This design ensures that you stay cosy and comfortable throughout the night, even in chilly conditions, allowing for restful sleep and rejuvenation during your outdoor adventures.
The Spark Pro sleeping bag also has a technical hood, which features a soft-touch adjustment for personalised fit and an extra-deep design. It provides a snug and cosy feel and ensures that you can rest peacefully, protected from the elements and be ready to tackle the next day's adventures.
The incorporation of a single, down-filled draft tube along the top of all zippers prevents cold air from seeping through the zipper but also enhances insulation, ensuring optimal warmth retention throughout the night.

Features:

  • RDS certified 900+ fill power goose down
  • Ultra dry down treatment
  • Waterproof-breathable hood and footbox
  • Relaxed mummy fit
  • QuiltLock system
  • Non-PFC materials
  • Technical fitted hood
  • Box wall baffles at the top half of bag and sewn-through quilted
    construction at the lower half
  • Single, down-filled, draft tube
  • Fitted front draft collar
Technical Information

Materials: 900+ fill power, RDS certified, Goose Down with Ultra Dry Down treatment, 10-Denier Nylon shell and lining
Size: long
Weight: 672g
Fill Weight: 356g
Temperature rating: comfort: 3°C | 37°F, lower limit: -2°C | 28°F
Max User Height: 198cm
Compressed Size: 8L
Fit: Relaxed mummy
Zip: Free flow zip system
Primary zip - full length #5 with zip-plow and two sliders
Secondary zip - 1/4 length #3 with zip-plow and two sliders
Footbox zip - #3 with two sliders.
Bag, Quilt, Pillow Integration: pairs with unisex STS bags and with STS quilts

Sizing Information
Professional Opinion
Product Reviews
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