Sealline Blocker' Dry Sack Size:30L and should be replaced every

and should be replaced every five years or earlier

Check your zippers and buckle your boots

The integrated no-spill cupholder keeps your beverages close at hand

The Mountaineer's design is rounded out with the ActiveLift™ 19° heel lift to reduce calf fatigue and tendon strain on the steeper ascents encountered in backcountry terrain

5 - 21 in / 39 - 53 cm

Sealline Blocker' Dry Sack Size:30L and should be replaced everyFull waterproof protection with a simple roll top closure, our Blocker Dry Sack provides resourceful adventurers an efficient packing shape to optimally organize and protect essential clothing and gear inside a pack. 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