Boss Flex is made for your movement. With Power Mesh for compression comfort and light, sweat-wicking fabric, this racerback bra is perfect for athletes. Our most supportive bra yet Perfect for any athletic activity   Sweat-wicking, sleek and smooth active knit fabric Maximum comfort. No cups or underwire. Tag-free care label on back. Smooth finish. No chafing or visible seams at neck and arm openings. Woven jacquard elastic underband holds shape and color Classic racerback style with scooped neckline Reflective logo on front True to size Designed for a close fit