Contour, underwire cups have light foam padding with breathable micro channels for wicking and airflow. Sewn-on elastic along tops of cups helps maintain fit. Athletic mesh panel on outer cup center and sides. Center - tall, narrow center panel. Covered elastic underband keeps fit close. Tall microfiber sides and back are lined with breathable mesh, with sewn-on elastic at top and covered at bottom. Straps are padded at front to relieve stress on shoulders. Coated metal S-hook on back of straps with a multi fit position casing panel for adjustment with no give. Straps convert to crossback for easier shoulder movement. Sleek hook-and-eye closure at back with coated metal hardware and mesh panels on each side.