IsoPro Fuel Canister hiking-shoes Water-Resistant Warmth: Efficient and compressible

Water-Resistant Warmth: Efficient and compressible eraLoft™ insulation uses hollow fibers to reduce weight without sacrificing warmth

and a whole lot more

Wear it while relaxing around camp before layering it with your sleeping system for extra warmth through the night

Injected TPR logo

IsoPro Fuel Canister hiking-shoes Water-Resistant Warmth: Efficient and compressiblePerformance boosting fuel for your canister stove. Due to hazardous materials shipping restrictions, we do not ship IsoPro. MSR IsoPro is a performance boosting, 80 20 blend of isobutane and propane, with the purest isobutane (5% or less n butane) of any canister fuel. This clean burning formulation maintains higher internal pressure at lower temperatures than standard butane propane mixtures, delivering superior cold weather performance and more