Engineered for reliable support, this adidas Supernova Racer Bra features CLIMACOOL for superior moisture management for women. Reflective details make this sports bra a great top for running or working out. CLIMALITE fabric sweeps sweat away from your skin. Mesh inserts on front and back for ventilation, reflective details. Best for running, high-intensity cardio, and contact sports. 89% polyester / 11% elastane single jersey. Square neck.