adidas GOLF free size cap, lightweight and breathable design. - Brand: adidas - Model Name: GOLF - Size: Free Size (54-57cm) - Material: 100% Polyester (visor) / 90% Polyurethane (body) / 10% Polyester (inside) Used once, so it's in very good condition. Basically a women's size, but suitable for men with smaller heads. Thank you for looking.