ONE SIZE FITS MOST: 40*28cm,The unisex design fits both Men and Women. This mask offers a longer neck area, with extra length in the front for better protection. The design is durable with a refined sewing process to increase its lifespan ULTIMATE PROTECTION: UPF50+, this sunscreen balaclava face mask is made of high-quality breathable fabric, comfortable and lightweight. Effectively protect you from the wind, dust, UV rays, and the elements. Perfect gifts for winter outdoor activities! MULTIFUNCTIONAL FACE MASK: This UV Protection face mask is extremely versatile as a full face mask, open balaclava, half ski mask or neckerchief on its own, under a helmet, with glasses or goggles. It is ideal for the use when riding, skiing, cycling and other outdoor sports BREATHABLE & QUICK-DRYING: Highly-breathable mesh fabric helps to wick out moisture and avoid heat accumulation. This fabric absorbs sweat but quickly dries, keeping you dry and clean while cycling, hiking or other sports BUY WITH CONFIDENCE: If you have any sizing issue or you are not 100% satisfied with our face mask for any reason, please contact our customer support at any time.