Barsty Men's Low Rise Sexy Brief Underwear Thong G-String Elastic Smooth Bikini Underwear Material:85%Nylon+15%Spandex US S=Asia L (Waist:28.3"~32.3") US M=Asia XL (Waist:29.9"~34.6") US L=Asia XXL (Waist:31.5"~37.8") US XL=Asia XXXL (Waist:33"~39.4")