Buff Unisex UV Half Buff Neck Gaiter OS, Black Fabric Shorter than the Original Buff, the UV Half Buff offers style and sun protection without weighing you down It wicks away perspiration to keep you comfortable and looking good in the gym, on the road, at the yoga studio, or on the trails Cyclists especially love the way it sits comfortably under a helmet without bunching Soft, breathable Coolmax Extreme fabric Cool in the summer, extra layer of warmth in the winter, Quick drying