SMD Briefs Comes in 5 sizes 1 pair Boxers Briefs with branded elastic waist SIZE UP, these run a bit on the smaller size. If you're a M get an L. These fit a little more snug than normal, size up if you want more room in the crotch. They have a little more cotton than spandex. Fits normal around the waist but crotch area is a snugger fit. They do stretch out overtime. Embroidered Ripndip Logo 93% Cotton, 7% Polyester Underwear Not Eligible For Return Or Exchange XS / 27-28 = Waist: 12.5, Length 10 Small / 29-30 = Waist: 13.5, Length 10.5 Medium / 31-32 = Waist: 14.5"", Length: 11 Large / 33-34 = Waist: 15.5"", Length: 11.5 X-Large / 35-36 = Waist: 16.5"", Length: 12 XXL / 37-38 = Waist: 17.5"", Length: 12.5 Waist measurement if when measuring them flat