Approximately 11" across

Double XL - 7 3/4 to 7 7/8

Inerior: 100% Polyester

This hat has it's advantages in being polyester however

Sun 'N' Sand - Melina Crochet Straw Wide Brim Hat boys sun hat Approximately 11" acrossThis is a UPF 50+ Hat for Premium Sun Protection. What is UPF protection? Follow this link for more information! https: www. hatsunlimited. com what is upf The Sun 'N' Sand Melina sun hat is a cute and fashionable twist on some great sun protection! This wide brim floppy style features a long linen scarf trim tied off in a bow that really gives it some personality. Inside this hat is an inner drawstring that can be used to make adjustments to the size.