Sea to Summit Ultra-Sil Pack Liner - Large

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Item #: 331904361

The Sea to Summit Ultra-Sil® Pack Liner has a wide opening that makes it easy to fill without having to remove it from your pack. With extra fabric at the top, the liner closes tightly for a more compact, space-saving silhouette.


  • Extra material at top creates a tight seal and stays closed with Velcro
  • Seam sealed to keep out water
  • Low profile buckles keep pack size compact
  • Slippery finish allows for easy packing


  • Material: PU-coated Siliconized Cordura® Fabric
  • Height: 47"
  • Weight: 4.4 oz.
  • Capacity: 90 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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