Trail Action Balaclava 【Material】Stretch Clima Plus® [47% nylon + 36% polyester + 17% polyurethane] (Inside the mouth) Geoline® [Polyester] 【Color】Black (BK), Light Gray (LGY) 【Size】Head circumference: M/L size (57 - 60cm) This balaclava is perfect for intense activities, boasting exceptional stretch. The adjustable resin core in the nose area helps prevent fogging of glasses and goggles. The smooth surface texture resists snow accumulation, making it ideal for use with a helmet. The back side features a brushed fabric with excellent moisture absorption and diffusion, providing superior warmth. Gender...Men Gender...Unisex