Simple. You can choose 4 seasons.Waist and legs are elastic.There is a pocket.Size on model: SProduct Measurements: Height 40.16 inch(102) / Widt27.55inch( 70cm)Model measurements: Height: 66.14 inches (168 cm)weight: 125.66 Ib(57kg )waist: 30.31 inch(77cm) hips: 37.40 inch(95cm).Size Range: S / M /..