Neck Warmer Outdoor Sports Windproof Dust-Free, Walking, Cycling, Skiing, Running, Motorcycle Gaiter Mask for Men & Women Size: Adult, One Size fits most. Also fits Juniors and Teens The Softest and Warmest neck warmer, 100% Breathable Microfiber Polyester (Keeps you warm while staying thin) Extreme cold weather gear, Lightweight & breathable Wind Resistant. Keeps you warm in Winter and reduces humidity in Summer. Windproof and dustproof, comfortable and ideal for runners, riders, cyclists, hiking, fishing, skiing and other outdoor activities.