Made with lightweight 30D Ultra-Sil instead of traditional 70D nylon, the Ultra-Sil Compression Dry Sacks are roughly half the weight—but still offer all the clever functionality—of the original Sea to Summit Compression Dry Sacks.
- Compresses gear to one-third the volume while also keeping it dry
- Waterproof seams are double stitched and fully tape sealed
- Waterproof and air-permeable eVent fabric allows air to be compressed out, and wont let water in
- Roll-top Hypalon closure with lid and four straps for even compression; Hypalon closure does not wick moisture
- Reinforced stitching on all stress points ensures long-lasting durability
- Maximum volume: 20 L
- Minimum volume: 6.7 L