An original Tilley hat with 40 years of history, the T3 is an outdoor favourite. Designed with a flat brim, circular crown and snap-up sides for an alternate aesthetic. The T3 looks great on everyone and is made with Cotton Duck fabric that is durable, naturally breathable and biodegradable. Size XS is equal to size 6 7/8 Size S is equal to size 7 Size S/M is equal to size 7 1/8 Size M is equal to size 7 1/4 Size M/L is equal to size 7 3/8 Size L is equal to size 7 1/2 Size L/XL is equal to size 7 5/8 Size XL is equal to size 7 3/4 Size XL/XXL is equal to size 7 7/8 Size XXL is equal to size 8