Absolute cotton! The post surgical bra ISRA moulds smoothly to your skin. All materials such as the bands around the arms, on the underbust and the neckline are particularly soft and flatly tailored. The smooth breast form pockets are made of lightweight cotton. It features pockets on both sides, front fastening suitable for post-operative wear and sleeping, button fastening and soft flat Velcro fastener, soft stretch cotton, soft edge bands around armholes, underbust and d’©collet’© to prevent constriction and chafing, and discreet soft cotton cup pockets.