The one that's perfect for warm weather! This hat is made of our fan-favorite nylon material with new perforated side panels for breathability. It features black embroidery on the front panel, our retro inspired rope, and a new buckle closure. Size 1: designed to fit kids aged 9 to 36 months Size 2: designed to fit kids aged 3 to 5 years Size 3: designed to fit kids aged 6 to 10 years Adult: one size fits most