Zanheadgear Flydanna Headwrap , Gender: Mens/Unisex, Primary Color: Black, Distinct Name: Black, Size: OSFM Bamboo Flydanna offers soft stretchy comfort that is naturally UV and odor resistant. The terry cloth sweatband keeps sweat out of your eyes while the bamboo cotton fabric wicks away moisture from the skin, keeping you cool and dry; making it perfect for every season. Ties in the back for a secure, customized fit. One size fits most. Great for under helmet use.