Lightweight waterproof dry sack vents trapped air to pack small.
Upgraded with our waterproof valve that purges trapped air, our versatile waterproof Blocker PurgeAir Dry Sack resists ballooning to help maximize use of space within a pack or bag. Plus, the fully waterproof construction ensures essential contents are protected.
Versatile materials:Lightweight 70D polyurethane-coated nylon materials are a tougher, more resilient cousin to the ultralight BlockerLite materials. More durable and versatile, these materials are great for all-around use with confident waterproof protection.
PurgeAir™-equipped:Our unique and waterproof PurgeAir valve vents trapped air, helping the sack compress further after being sealed, and is both more durable and more reliably waterproof than waterproof/breathable fabric membranes.
Waterproof closure:Roll-top closure features a wrinkle-free stiffening strip to ensure a secure seal when closing the dry sack.
Durable construction:Fully welded seams result in stronger and more durably protective construction compared to sewn-and-taped seams.
Efficient-Packing:PackTight™ packing system sacks feature flat-sided, rectangular shapes that nestle closely together, packing 20% more efficiently than rounded sacks for easy, space-saving organization.