Arguably the most versatile piece of clothing you’ll ever buy. There’s so many ways to wear the Endura MTB Multitube; use it as a neck tube a bandana skullcap a sweat band & more. The fast wicking material will do an impressive job of keeping you cool when it’s hot & warmer when it’s cold. The low bulk means that it will fit comfortably under your helmet. Construction: Polyester 100%