Made of cooling ice silk,soft, stretchy,smooth and will not irritate your skin.
Easy to clean and flexible to wear.
Vent holes for breathable and refreshing wearing.
Suitable for cycling,running,hiking,climbing,playing tennis, dancing etc.
Head circumference: 54-58cm / 21.3-22.8in.
Features: Made of cooling ice silk,soft, stretchy,smooth and will not irritate your skin. Easy to clean and flexible to wear. Vent holes for breathable and refreshing wearing. Suitable for cycling,running,hiking,climbing,playing tennis, dancing etc.  Head circumference: 54-58cm / 21.3-22.8in. Specification: Color: Dark gray / Light gray / Black (optional) Material:  90% Chinlon + 10% Spandex Head circumference: 54 - 58 cm / 21.3 - 22.8 in Cap circumference: 50 cm / 19.7 in Cap depth: 15 cm / 5.9 in Weight: approx. 25 g / 0.9 oz Package List: 1* Cap