The model is wearing a size one size. Model's measurements: height 173 cm, bust 85 cm, waist 62 cm, hips 95 cm.  
Dimensions of one-size trousers: waist width - 34 cm (flat), waist width - 48 cm (when stretched), total length - 111 cm, hip width - 51 cm.

Material: 80% cotton, 20% polyester