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The Sea to Summit Ultra-Sil® Dry Sack is the ideal dry sack for backpackers who need to protect their belongings from wet weather.
The Sea to Summit Ultra-Sil® Dry Sack is the ideal dry sack for backpackers who need to protect their belongings from wet weather.
Sea To Summit

Sea to Summit Ultra-Sil Dry Sack

£9.00
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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassel Free Returns

You are entitled to cancel your order and return the goods by notifying us within 14 working days from receiving the delivery for a full refund or exchange (subject to stock availability). Do this by contacting us by email within 14 days and quoting the order number supplied to you.

View our website’s full terms and conditions.

  1. You are entitled to cancel your order and return the goods by notifying us within 14 working days from receiving the delivery for a full refund or exchange (subject to stock availability). Do this by contacting us by letter or email within 14 days and quoting the order number supplied to you.
  2. The time limit for returning the goods is 28 days from the date of shipment from us to you.
  3. We endeavour to process all returns within 48 hours of receipt. After this, you should expect to see your funds back into your account within 3 - 5 working days depending on how your card provides processes refunds.
  4. Refunds can only be made to the original payment method.
  5. You are responsible for the postage cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value.
  6. When returning an item for an exchange, i.e. for another size or colour please be aware a small fee will apply to cover postage.
  7. We will notify you of the exact amount before sending out the replacement item.
  8. This cancellation policy does not affect your rights when we are at fault – for example, if goods are faulty or wrongly described. Any goods returned should be in saleable condition with original package and labels.
  9. Please note that we are unable to accept returns of any Personal Protective Equipment including climbing equipment and helmets unless faulty. This would be dealt with under warranty and returns.
  10. All products are guaranteed against failure due to defective workmanship or materials, but this excludes faults caused by accidents, neglect or misuse. The guarantee is in line with the guarantee policy stipulated by the product manufacturer.
  11. If you find a fault with a product purchased from The Expedition Shop please do not hesitate to get in touch so we can advise you on how to proceed with the item.

Sea to Summit Ultra-Sil Dry Sack

Season:SS22

Brand:Sea To Summit

Code:SEAULTRA

Sea to Summit Ultra Sil Dry Sacks are a super light weight dry sack designed for use inside a pack. Made from Siliconised Cordura for maximum durability Ultra-Sil Dry Sacks will keep your pack light and you gear bone dry! Ultra-Sil Dry Sacks use Beamis Seam Tape which is the highest quality available

All sea to Summit Dry Sacks use Hypalon instead of webbing on the roll top closure. Hypalon does not wick water into the closure unlike webbing Ultra-Sil Dry Sacks are constructed using Coats Brand threads which are the global leader in threads and sewing products. We use a short stitch length to ensure a high degree of quality

Roll top closure is precisely designed with a longer Polypropylene stiffener opposite the Hypalon which helps seal the closure flat which further improves watertight seal and means that the roll top closure is less likely to unroll when under pressure A custom designed shorter symmetric side release buckle can be clipped together either way around which also aids keeping the roll top closure secure

All seams are top stitched which keeps taped seams flat and even 1 L 2 L & 4 L are flat rectangular shaped design. 8 L 13 L 20 L 35 L are round base design. All sizes in the Nano dry sacks have an oval base design.

  • Ultra-Sil® 30D siliconised high-tenacity CORDURA® nylon fabric for exceptional strength
  • Ultra-Sil® fabric has a 2,000mm waterhead
  • Non-wicking Hypalon roll-top closure with stiffener at the top for an improved seal
  • Fully seam sealed for water resistance
  • Translucent for easy visibility of contents
  • Slippery finish for easy packing
  • Round base in all sizes
  • Use: backpackers, cycling touring, travellers

Proper Use:

  1. Any roll-top dry sack must be closed properly to ensure water can’t get in. Begin by folding the Hypalon®strip down first and be sure to have at least three rolls before closing the buckle.
  2. Avoid contact with sharp objects or subjecting the sack to high abrasion, as this could compromise the waterproof fabric.
  3. Like all manufacturers of roll-top, fabric dry sacks, Sea to Summit recommends that sensitive electronic devices be ‘double bagged’ (i.e. putting electronics inside one dry sack then placing this inside a second dry sack).
  4. Not intended for situations where dry sack will be submerged under water.
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