IsoPro Fuel Canister hiking-shoes is registered by the US

is registered by the US Environmental Protection

Made from stretchy polyester and padded with the new synthetic PrimaLoft® Black Insulation RISE with P

Injected TPR logo

Sewn-In Soft Cups

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

IsoPro Fuel Canister hiking-shoes is registered by the USPerformance 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