The length of dress is 50.4''. Size S Bust fit 35.4-39.4'' Size M Bust fit 37.4-41.3'' Size L Bust fit 39.4-43.3'' Size XL Bust fit 41.3-45.3'' Size 2XL Bust fit 43.3-47.2'' Size 3XL Bust fit 45.3-49.2'' Size 4XL Bust fit 47.2-51.2''