Sexy Formal Patchwork Backless Asymmetrical Contrast Strapless Evening Dress DressesMaterial Polyester Style Sexy. Formal Pattern Type Patchwork Element Backless. Asymmetrical. Contrast Neckline Strapless Silhouette Evening Dress Sleeve Style Off The Shoulder Sleeve Length Sleeveless Dresses Length Mid Calf Fit Type Skinny Type Patchwork Size(in) Bust Waist Hips Dresses Length S 34. 6 26 36. 2 49. 2 M 37 28. 3 38. 6 49. 6 L 39. 4 30. 7 40. 9 50 XL 41. 7 33. 1 43. 3 50. 4 2XL 44. 1 35. 4 45. 7 50. 8 3XL 46. 5 37. 8 48 51. 2 4XL 48. 8