End the debate about whether you should carry a pack cover or not with the Sea to Summit Ultra-Sil Pack Cover. This ingenious solution is both tiny and compelling, and it settles the matter once and for all. The medium-sized cover weighs less than four ounces and is designed to provide durable and waterproof protection for your backpack. With its own attached stuff sack, it's the ultimate accessory for outdoor enthusiasts who understand the value of preparedness.


  • Made of 30D Ultra-Sil fabric constructed from CORDURA® yarns, ensuring lasting durability and exceptional waterproof performance.
  • This pack cover does not use seam construction, guaranteeing complete waterproof protection for your gear.
  • Packaged in its own mini siliconized Nylon stuff sack, conveniently attached to the cover to prevent it from getting lost.
  • Keeper strap (sizes S-L) pulls the pack cover tight across the pack harness, ensuring a secure and snug fit.
  • Sold in four sizes to fit daypacks up to large backpacks, providing versatile options for various pack sizes.


  • XS: Suitable for 15-30L packs.
  • S: Designed for 30-50L packs.
  • M: Ideal for 3000-4300 cubic inch packs.
  • L: Designed for 4300-5800 cubic inch packs.
  • Packed Size: Compact dimensions ranging from 10 x 6 cm to 12 x 7.5 cm, ensuring easy storage in your gear setup.
  • Weight: Lightweight options ranging from 57g to 130g, ensuring minimal added weight to your pack.

The Sea to Summit Ultra-Sil Pack Cover is a no-brainer addition to your outdoor gear. With its compact size, waterproof performance, and durability, there's no reason not to carry one. Be prepared for unpredictable weather and protect your gear with this essential pack cover.


Barcode # 9327868010325
Brand Sea to Summit

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