• Toll Free: 877.838.2816
  • Local: 503.233.0706

Ultra-Sil Stuff Sack

Selected color
In Stock In Stock In Stock
Ultra-Sil Stuff Sack is available for purchase in increments of 1

The Ultra-Sil™ Stuff Sack is an ultralight but durable solution using a 30D siliconized CORDURA® fabric. Ideal for organizing gear in your pack or bag, these stuff sacks incorporate a reinforced pull handle on the base and a durable pull tab at the top.

Packability - Your scale will hardly notice the difference when you start using these

Best Use - Internal pack organization, packing up whatever you feel like belongs in a bag

  • Made of 30D Diamond RipStop Siliconized CORDURA®
  • The fabric is impregnated with silicone to make it waterproof to a hydrostatic head of 2000mm
  • The fabric has a slippery finish for easy packing
  • Reinforced pull handle on the bottom
  • Uses the smallest possible cord and cord lock for top closure
  • Bar tack reinforced in all stress points
  • All seams are double stitched for extra strength
  • Note: seams are not tape-sealed; therefore this product is not waterproof - only water resistant

What this bag could hold

  • 2.5 liter: a phone (in a waterproof case), snacks, wallet & keys
  • 4 liter: some snacks and drinks or extra layers
  • 6.5 liter: a layer and a meal or so worth of food
  • 9 liter: a puffy jacket & a sleeping bag or food for 2-3 days
  • 15 liter: all your clothes for a trip
  • 20 liter: a tent or any Sea to Summit sleeping bag
  • 30 liter: paddle gear, overnight camp equipment or bike gear

*If you select the color as ASSORTED you will receive a color at random in the size you selected*


Dimensions  4 x 10 in 5 x 12 in 6.5 x 13 in 7 x 15 in 8.5 x 17 in 9.5 x 19 in 10.5 x 23 in
Gear Capacity (L)  2.5 L 4 L 6.5 L 9 L 15 L 20 L 30 L
Weight  0.8 oz / 24g 0.5 oz / 13g 0.6 oz / 17g 0.7 oz / 21g 1.0 oz / 28g 1.2 oz / 34g 1.4 oz / 40g