Halo Headband skull caps are perfect for competing, working our or just recreating. Features: DRYLINE fabric is a unique, dual component fabric featuring polyester inside and nylon outside This uniquie combination createss a push-pull moisture transport design drawing perspiration from the skin to the fabric surface where it evaporates In addition to the technical fabric is their patented Sweat Block Technology--a watertight, non-slip seal built into the front of each Halo Headband to direct sweat away from your eyes The cap fits easily under helmets and is available in a one size fits all Specifications: Season: Warm Weather Application: - Material: Synthetic Visibility: - Color: Black