Front zipper with inner protective layer help easy put on and off and skin protection. Put on the hidden hooks and press down the zipper head for fastening firmly. Moisture wicking fabric with mesh panels at shoulder strap or back and inside to keep you breathable and cool. Wire free no padded soft cups make your chest freedom and offer the biggest comforting and supporting. High support and back reinforcement for back support, full coverage and stability during gym workouts. Designed for medium to high impact activities like running, cycling, boxing, tennis, and aerobic exercise.