IsoPro Canister - 16 oz Color:One 10 mm x 55 mm

10 mm x 55 mm hex head self-locking cap screw

Polartec fleece neck-up for added warmth

Prevents the uncomfortable rubbing and chafing that most cyclists experience on the saddle

Insulated cartridge sleeve to prevent frozen fingers

IsoPro Canister - 16 oz Color:One 10 mm x 55 mmMSR 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 consistent output over the life of the canister. Improved Performance: 80 20 blend of isobutane and propane delivers superior