The Air Conditioned Straw Shapeable brim hat hat has a low crown that is vented for that air conditioning effect on hot days. Fitted with a deluxe inner stretch band for a comfortable fit. Also has a shapeable brim to fit your mood and chin cord with secure toggle. Brim: 3.5''. Crown Height: 4.5'' Material: Hand Braided Toyo, Paper Straw, Organic Cotton.