Classic dad cap (baseball cap shape) With a soft and durable sports velcro closure. No top button on smaller sizes for safety. Super soft and ultra sweat absorbent sweatband made from an organic milk protein called Q-Miltch. M 1. 5-4 years (49-52 cm)L 3-7 years (52-55 cm)XL 7-14 years (56-59 cm)