Sea to Summit Ultra-Sil Pack Liner - Medium

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Item #: 331904359

Line your pack the easy way with the Sea to Summit Ultra-Sil® Pack Liner. With its large opening and slippery finish, the liner inserts into packs easily and can be filled and emptied without being removed from your gear bag for maximum convenience.


  • Fold-able Velcro top closure makes liner compact
  • Hypalon™ roll-top closure provides secure closure
  • Seam sealed to keep out water
  • Compact low-profile buckles
  • Slippery finish assists with packing


  • Material: PU-coated Siliconized Cordura® Fabric
  • Height: 35"
  • Weight: 3.4 oz.
  • Capacity 70 L

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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