Our brand new Sink Panama hat is made of breathable Paper Straw and Polyester which makes it the ultimate lightweight hat for those trips away.This straw sun hats can provide UV UPF 50+ rated protection; With its all-around 2.75- 3.15 inch (7-8cm) wide brim shading your face and neck to block the sunlight, the Panama hats would help you keep cool in summer.Size L is recommended for head circumference around 22.8″-23.6″ (56-60cm)