Brooks 350073 Dare Racerback DriLayer Wireless Sports Bra Terracotta/Deep Terra 40DD This high impact sports bra gives you run-ready support with padding across the front and a 4-way stretch fabric that prevents sweat buildup and dries quickly. Made from nylon, spandex, and polyester. Contour, wireless cups are lightly padded, with perforations to allow for comfortable airflow. Padding continues across the center and is shaped to sit closer to the body, avoiding uniboob and conforming to your figure. Unicup styled with an elasticized edge for less bounce during movement. Illusion style neckline with mesh paneling above the cups for breathability. Wide elastic underband keeps the fit close and has a soft underside for next to skin comfort. Microfiber back has supportive 4-way stretch. Racerback consists of two layers of stretch mesh for ventilation. Exposed elastic straps adjust at front with coated metal hardware. Straps are wider for a more comfortable distribution of pressure on the shoulder. Adjustable back closure has a soft-backed hook-and-eye panel. See Fitter's Comments below for hook count. Tear-away tag at back. Drilayer HorsePower fabric is treated to keep you cool and dry by wicking away sweat and dry quickly.