CLOSURE: This cap has a streched fitted closure for a snug fit for a range of sizes closure SIZING: Small/Medium 6 7/8" - 7 1/4" or Large/X-Large 7 1/4" - 7 5/8" STRUCTURED FIT: This cap has a firm structure to the front of the crown THE OAKLEY TIN CAN STRETCH-FITTED CAP: Made with a curved brim and moisture-wicking sweatband for a contoured fit and lasting Flex Fit comfort. Premium stretch fabric on a closed back provides a secure fit, while a solid ellipse logo at the crown of this Oakley hat symbolizes the longevity of an icon. The Lids Exclusive Tincan Hat is made with a curved brim and moisture-wicking sweatband for a contoured fit and lasting Flex Fit comfort. Premium stretch fabric on a closed back provides a secure fit, while a solid metal ellipse logo at the crown of this Oakley hat symbolizes the longevity of an icon.