The back is a regular fit. The product is lined with a throw, it can be removed. 80% Polyamide, 20% Elastane. Model Measurements: Height: 174cm(68in) Bust: 88cm(34in) Waist: 59cm(23in) Hips: 88cm(34in); On the mannequin. The product is size S/36/8.;; After each use, hand wash in warm, soapy water. Do not use bleach or detergents. Do not leave your swimsuit waiting in a wet, stuffy, sealed 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.