Ultra-Sil Compression Dry Sack
# Partial COD available for orders up to ₹25,000
BEST USE: Backpacking & Paddle Sports
WATERPROOF? Yes, in situations where the dry bag will not be submerged
- Compress soft contents down by as much as two thirds
- Side-release buckle compression straps for fast and easy access
- Water-resistant, bluesign® APPROVED Ultra-Sil 30D Nylon fabric with a non-PFC DWR finish
- Three ultralight compression straps with two ladderlock and one side-release buckles allows easy access and reduces weight
- Attached tip-top lid prevents straps tangling
When you need to compress volume without significantly adding weight, the Ultra-Sil Compression Sack is an excellent solution. Made from a water-resistant, bluesign® approved Ultra-Sil 30D nylon fabric with Non-PFC DWR this compression sack is far tougher than its weight would suggest. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials or fun holiday items.
DESCRIPTIONThe Ultra-Sil Compression Dry Sack is a super lightweight dry sack designed to compress bulky clothing or other squishable gear that lives inside your pack. Made from Ultra-Sil 30D CORDURA® Nylon fabric with an eVent® fabric base, the air can be rolled out but can't get back in. It's an ideal option for use inside a backpack during longer lightweight hikes, cycle touring and any activity where you need to maximize pack space by compressing your bulky items to one-third of their volume. It employs waterproof seams, a hypalon roll-top, non-wicking closure and is super lightweight. Features
Size Guide
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TECH SPECS
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Best UseBackpacking, Hiking & Bike Packing
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ClosureWaterproof roll-top closure with lid and compression straps
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Material(s)Ultra-Sil nylon body and eVent fabric base
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MeasurementLength - measured with roll-top closure open Volume - measured with closure rolled 3 times
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Repair Buckle Size5/8in | 15mm (2-Pin)
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ShapeCylindrical with round base for easy packing
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WaterproofYes
| XXS / 3.3 liter | XS / 6 liter | S / 10 liter | M / 14 liter | L / 20 liter | |
|---|---|---|---|---|---|
| Compressed Volume | 3.3L to 1.3L3.3L to 1.3L | 6L to 2L6L to 2L | 10L to 3.3L10L to 3.3L | 14L to 4.5L14L to 4.5L | 20L to 6.7L20L to 6.7L |
| Dimensions | 5 x 10 in 13 x 25 cm | 6 x 14 in 15 x 35 cm | 7 x 16 in 18 x 40 cm | 8 x 18 in 20 x 46 cm | 9 x 20 in 23 x 50 cm |
| Weight | 2 oz 50g | 2.3 oz 56g | 2.6 oz 75g | 3.2 oz 90g | 3.4 oz 100g |
Technical Features
Non-PFAS
Sea to Summit Dry Bags, Stuff Sacks and Compression Bags use a non-PFAS Durable Water Repellent finish to help shed water. Big River bags use a non-PFAS PU coating.
EVAC Fabric
EVAC fabric is an electro-spun, non woven membrane used in the laminate of Sea to Summit Evac Dry Storage products
- Evac Compression Dry Bags UL, Evac Compression Dry Bags LW, Evac Dry Bags LW. This laminate utilizes a 70 Denier nylon face fabric with a non-PFAS DWR finish
- Evac Compression Dry Bags HD. This laminate utilizes a 500 Denier Cordura nylon face fabric with a non-PFAS DWR finish.
In both cases, the laminate allows air to be pushed out of the dry bag/compression dry bag but prevents water from entering. This means you can compress the air out of a dry bag without needing a purge valve. (A purge valve adds weight and complexity, and may fail of accidentally be left in the 'open' position)
- Evac technology is simple, reliable and foolproof
30D ULTRA-SIL
An incredibly lightweight yet durable fabric used in a large number of Sea to Summit products. This 30 denier Nylon is made with CORDURA® yarns for strength, woven into a ripstop pattern. Two versions of the fabric are used:
- Water-resistant products (such as the Ultra-Sil Stuff Sacks) are siliconized on both sides for ultimate packability
- Waterproof products (such as the UltraSil Dry Sack are) siliconized on the outside and PU-coated on the inside to allow seam taping.
- Both versions have a hydrostatic head greater than 2000mm – which makes them more than adequately waterproof for the types of environments they are intended for.
Frequently Asked questions
Is this dry bag waterproof?
The body of the dry bag is waterproof (10,000 mm hydrostatic head). However, avoid submersion since water can seep through the roll-top closure of any dry bag.
Is this dry bag suitable for paddle sports?
Absolutely. The tough nylon material on this dry bag is perfect for water sports. Just be cautious around sharp objects or abrasive surfaces.
Does this bag work for modular packing in a backpack?
Yes! Use these bags for all compressible items. First, squeeze the air out, then pack the dry bag into a tight space so it doesn't draw air back in. It works wonders on sleeping bags and insulated clothing.
Shipping & Returns
Free Express shipping via Australia Post within Australia for orders over $99.*
All orders under $99 incur a $10.00 shipping fee for delivery within Australia.
*Does not include bulky items. Orders with bulky items incur an additional freight charge within Australia during the checkout process.
For more details, check out our Shipping Policy.
We do not ship to an address outside of Australia.
If you are not entirely satisfied with your order, you may be entitled to a refund of the purchase price of the Product. For more details, please check out our Refund Policy.