XINTOWN Quick Sports Bandana Biker Cycling Cap Doo Rag Sweat Headband Bandana for Bycycling Motorcycling polyester 100% POLYESTER MATERIAL - Made of 100% polyester material,quickly transport your moisture away during cycling,running and climbing ALSO USE AS A HAT - Lightweight fabrication,the skull cap can be wear on the sensitive scalp of someone who had lost hair due to medical treatment EASILY FITS UNDER MOTORCYCLE CAP - The effect of absorbing moisture will be better if use with motoercycle cap together while cycling ADJUSTABLE - This cap stretches easily ,you can tie this cap tight until you are comfortable.It is suitable for male and female X-RAY KILLER - Applying special material "EX-COOL" comes from Taiwan,protects your skin from hurting by strong sunshine