The model is wearing a size one size. Model's measurements: height 169 cm, bust 88 cm, waist 68 cm, hips 89 cm.   Dimensions of one-size trousers: waist width - 34 cm (flat),  waist width - 51 cm (when stretched),  hip width - 48 cm, waist height - 28 cm, total length - 36 cm.