Neptio Men's Net Bikini Underwear, Neo Mesh See Through Brief Sexy, stretchy, sheer mesh fabric in black or white Matching piping trim Very breathable mesh fabric, keeping you dry and comfortable Perfect as clubwear or workout wear or sexy Valentine's gift for men. Small 27"-30", Medium 31"-33", Large 34"-36", XL 37-39", and 2XL 40-42"