Cotton; The legs are elasticated; Sweatpants; The Model's Measurements:Height: 176cm, Weight: 57kg; The product above the model is size S; Size S (Waist32 cm x Hips 53 cm x Length 97 cm); Size M (Waist35 cm x Hips 56 cm x Length 99 cm); Size L (Waist38 cm x Hips 59 cm x Length 101 cm); Size XL (Waist41 cm x Hips 62 cm x Length 103 cm); There may be a tolerance in color difference between the photograph and the product due to studio lighting.