SIR. stretch-woven midi dress 49% viscose, 48% cotton, 3% elastane; lining 96% polyester, 4% elastane Concealed zip fastening at back Regular fit, asymmetric neckline, open back, structured gathering at waist, split at back, lined Dry clean only True to size Size small: length 59in / 150.5cm Model is 5ft 10in/1.78m and wears a size small Midweight, non-stretch