Slim fit. Please choose the US size based on your waist, then the equivalent Asian size will be sent. US 29(Asian L); US 30(Asian XL); US 32(Asian 2XL); US 34(Asian 3XL); US 36(Asian 4XL); US 38(Asian 5XL); US 40(Asian 6XL); US 42(Asian 7XL);