MSR Pro Bivy Atlas Reinforced and articulated knees to

Reinforced and articulated knees to improve mobility

Self-tests to determine areas of weakness or imbalance

Waterproof material remains unaffected by water even when under pressure

The SILVA Expedition Series comes with two completely new features: a Slope card and a Scale lanyard

SKI/WALK MODE: Speed Lock XT

MSR Pro Bivy Atlas Reinforced and articulated knees toDesigned for professional alpinists and serious adventurers, the Pro Bivy delivers quick pitch protection in cramped spaces too small for a tent. Lightweight to keep up with fast & light missions, whether youre traversing the rugged Pickets Range or fastpacking the Wonderland Trail, the Pro Bivy features weatherproof, breathable fabric that reduces condensation, and Xtreme Shield waterproof coating to help keep you dry and comfortable on your alpine