MATERIAL:100% polyester, thin soft and light material, soft hand feel.
SIZE: Fits Head circumference 22~24-3/8"(56-62cm), adjustable closure on the back. one size fits most.
2 back closure options for your choice: 1: Adjustable elastic webbing and plastic buckle(Classic buckle); 2: Adjustable webbing and hook and loop closure(New Velcro).
Suitable for runners, golfers, tennis, baseball, and any indoor or outdoor activities. Unisex