MuscleMate Men's Camouflage Thong Underwear, Men's Hot Camouflage Thong G-String Underwear, Stretchy and All-day Comfort. Size Chart: S-(27-29inch Waist), M-(30-32inch Waist), L-(33-35inch Waist), XL-(35-38inch Waist). Reminder: Our Size Chart was based on Asian male figure, We‘d recommend our customers to Size up.