Franterd Mens Bikini Underwear, Transparent Breathable Bulge Underpants Briefs Pouch Shorts 100% Nylon Imported Material:Nylon. Size:S, Waist:66-73cm/26.0-28.7", Size:M, Waist:70-83cm/27.6-32.8", Size:L, Waist:83-93cm/32.7-36.6" Hot, smooth, and comfortable. Function: breathable, health care, anti emptied. NOTE:It is Asian size, there will be 2-3 cm error, Please compare the detail sizes with yours before you buy!!! Use similar clothing to compare with the size.