2XU 's cutting-edge gear is designed and tested in consultation with world-renowned scientists to ensure it meets your rigorous training needs. - A brand best-seller, this running cap is made from lightweight shell and engineered with panels of ventilating mesh for maximum breathability - The Velcro® back strap can be adjusted for a comfortable, personalised fit - Provides superb UV protection - a must when training outside, particularly in warmer climes - - Black shell and mesh - Reflective designer emblems, adjustable back tab - 100% nylon - Hand wash - Imported