Nike Dri-FIT Swoosh Medium-Support Zip-Front Women's Sports Bra The Nike Dri-FIT Swoosh Zip-Front Sports Bra takes the classic design to the next level with fabric made from at least 75% recycled polyester fibres. It's easy to get on and off, while the semi-auto lock zipper helps keep it from coming unzipped. It also helps keep you cool with breathable mesh on the back. For every rep, step and jump-know that you're supported. The Nike Dri-FIT Swoosh Medium-Support Zip-Front Women's Sports Brais extremely easy to get on and off, due to the front zip, however, the semi-auto lock zip provided at the front helps to prevent any unwanted unzipping and assists in the ease of taking the garment on and off by staying in place when you press down on it. It also zips up incredibly easy. The Dri-FIT Swoosh Zip-Front Sports Bra also has an inner buckle that doubles up on keeping it secure. Nike's Dri-FIT technology moves sweat away from your skin, to provide quicker evaporation, helping you to stay dry and comfortable throughout your exercise. The back of the sport's bra is mesh, therefore allowing optimum airflow in and out of the garment, keeping you cool and content. The sports bra utilises stretch fabrics alongside an elastic chest band, which provides a comfortable, compressive feel, whilst shaping to you, preventing the sensation of empty space.