Breakaway® Muck Insulated 20oz, Zipper
Protects Surge™ Valve from whatever the trail dishes up. Designed for mountain bikers, gravel grinders, and all weather roadies.
Available in three sizes, including a new 12oz volume - which fits any frame size and and/or full suspension bike with limited real estate for bottles.
Our recognized radiant heat reflective technology keeps you refreshed and restored in any and all temperatures.