Size Chart (inch) US X-Small--Waist: 28"-30", Inseam: 3.5"; US Small--Waist: 30.5"-32", Inseam, 3.5";US Medium--Waist: 32.5"-34", Inseam:;3.5"; US Large--Waist: 34.5"-36", Inseam: 3.5"; US X-Large--Waist: 36.5"-38", Inseam: 3.5"TIPS: We recommend order one size large if you wanna wear more comfortable