Bo Tee! Premium Version 100% Cotton 6.5oz Slightly Oversized It comes in a true oversize style so please check size chart for what size is best for you. Sizes 4XL & 5XL are printed on a different style of shirt 100% Cotton 6.1oz Standard version Quality fabric - Soft and strong 6.1 oz True to Size Standard version will only be available during pre-order. All Sales are Final