Model is 5'10"/ 178cm, and weighs 136lbs/ 62kg, wears a size S. Please use this info as a general guide as measurements are approximate. Size Waist Seat S 28.7" / 73 cm - M 30.7" / 78 cm - L 32.7" / 83 cm - XL 34.7" / 88 cm - XXL 36.7" / 93 cm - Size Front Rise Back Rise S 12.2" / 31 cm 15" / 38 cm M 12.4" / 32 cm 15.4" / 39 cm L 12.8" / 33 cm 15.8" / 40 cm XL 13.2" / 34 cm 16.2" / 41 cm XXL 13.6" / 35 cm 16.6" / 42 cm Size Thigh Inseam S 25.2" / 64 cm 29.1" / 74 cm M 26" / 66 cm 29.5" / 75 cm L 26.8" / 68 cm 29.9" / 76 cm XL 27.6" / 70 cm 30.3" / 77 cm XXL 28.4" / 72 cm 30.7" / 78 cm Size Length Leg Opening S 41.4" / 104.5 cm 16.9" / 43 cm M 42" / 106 cm 17.3" / 44 cm L 42.6" / 107.5 cm 18.1" / 46 cm XL 43.2 / 109 cm 18.5" / 47 cm XXL 44" / 111 cm 18.9" / 48 cm In order to best determine fit, it may be helpful to compare our garment’s measurements to a similar garment you already own. Lay your garment on a flat surface and take all measurements from the outside of the garment. Click here to check out our Garment Measuring Guide. ** If you are still confused, you can Contact Us to help you choose the size. **