38 CaliberGenuine leather. Gun belts are 2 1/2" wide. Please note that these belts are hand crafted and may contain imperfections, no two belts are alike. When sizing for a gun belt, please check size by measuring where you will be wearing the gun belt (over all clothing) with a cloth measuring tape. DO NOT USE PANTS OR BELT SIZE. We want to avoid belt exchanges, since there is a cost in exchanging them.