The product is covered with underwire removable.; 80% Polyamide 20% Elastane; Sample Size: S/36/1; Hand wash in soapy warm water after each use. Do not use bleach or detergent. Do not keep the swimsuit in a wet airless closed nylon bag. Lay it on the reverse and dry it in the shade. Fluorescent colors fade in the sun chlorinated water and sun oil will spoil your swimsuit.