The back has a regular fit. The product is lined with throws, it can be removed. 80% Polyamide, 20% Elastane. Model Measurements: Height: 180cm(5'11'') Bust: 82cm(32in) Waist: 60.5cm(23in) Hips: 90cm. (35in); The product on the model is size S/36/8.;; Hand wash in warm, soapy water after each use. Do not use bleach or detergents. Do not leave your swimsuit waiting in a wet, stuffy, closed, plastic bag. Lay it upside down and dry it in the shade. Fluorescent colors will fade in the sun, chlorinated water and sun oil will ruin your swimsuit.