The back is normal cut.; 91% Polyamide,8% Sim,1% Elastane; Model Measurements: Height: 1.74 Bust: 88 Waist: 59 Hips: 88; The product on the mannequin is size S/36.; Hand wash in warm soapy water after each use . Do not use bleach and detergent. Do not keep the swimsuit in a wet, airless, closed, plastic bag. Lay it on the reverse and dry it in the shade. Fluorescent colors will fade in the sun, chlorinated water and sun oil will spoil your swimsuit.