Ultra-Sil Pack Cover
PACK SIZE: Fits a 15 to 30 liter pack
PACKED SIZE: 4 x 2.5 in | 10 x 6 cm
WEIGHT: 2 oz | 57 g
RECOMMENDATION: If you stow any gear externally on your pack, we would recommend buying a Pack Cover a size larger than normal.
- Made of 30D Ultra-Sil fabric constructed from CORDURA® yarns for durable, waterproof performance.
- This pack cover does not use seam construction to ensure that it is completely waterproof
- Packaged in its own mini siliconized Nylon stuff sack that remains attached to the cover so it can't get lost
- Keeper strap (sizes S-L) pulls the pack cover tight across the pack harness
- Sold in four sizes to fit daypacks up to large backpacks
The Ultra-Sil Pack Cover ends the debate about whether you should carry one or not. It's a tiny and compelling solution and the medium size weighs less than four ounces. Plus it packs into its own small stuff sack - why wouldn't you carry one?
DESCRIPTIONThe Ultra-Sil Pack Cover ends the debate about whether you should carry one or not. It's a tiny and compelling solution and the medium size weighs less than four ounces. Plus it packs into its own small stuff sack - why wouldn't you carry one? Features
Size Guide
Pro Tip:If you stow any gear externally on your pack, we would recommend buying an Ultra-Sil Pack Cover a size larger than normal. |
TECH SPECS
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Best UseUltralight Backpacking
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Material(s)30 denier Ultra-Sil™ nylon
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WaterproofYes
XS | S | M | L | |
---|---|---|---|---|
Pack Size | 15-30L 900-1800 cu in | 50-70L 3000-4300 cu in | 70-95L 4300-5800 cu in | |
Packed Size | 4 x 2.5 in 10 x 6 cm | 4.25 x 3 in 10.5 x 7.5 cm | 4.75 x 3 in 12 x 7.5 cm | |
Weight | 2 oz 57 g | 4 oz 113 g | 4.6 oz 130 g |
TECHNICAL FEATURES


Frequently Asked questions
Aren't most backpacks waterproof without a cover?
No. Water will enter through seams and zippers (especially in really wet parts of the world)
Why choose the Ultra-Sil Pack Cover over the Nylon version?
The Ultra-Sil Pack cover is slightly lighter and has a smaller packed volume - it is more suitable for weight-conscious backpackers
Will a pack cover make my pack completely waterproof?
In most cases, waterproof enough - wind-driven rain can still enter through the space between your back and the harness
