90% Nylon & 10% Spandex.Pullover Style and Removeable Pads High support Sports Bra Soft, Stretchy, And Super Breathable,This Is An Awesome Saturday Bra. Tough Enough To Handle Hot Class, Then Slips Seamlessly Under Your Favorite Tank Or T-Shirt For Whatever Else You Want To Get Into That Day. Built For High /Medium-Impact Activity And All-Day Comfort. The Ladies High-support Bra Top Is Perfect For Training Sessions Down At The Gym, Constructed With A Built In Bra For Added Support Along With Ventilation Panels And Wide Shoulder Straps For A Cool And Comfortable Fit. This Sports Bra Also Benefits From An Elasticated Hem, Finished Off With Reflective Detail To The Racer Back Sport Bras. Why We Made This High-support sport bra?This Double Straight-Strap Bra Is Killing It From Every Angle. In The Front, High Coverage Keeps Us Feeling Comfortable During Plank Pose. In The Back, A Wide Racer And Strategically-Placed Cut-Out Provides Support And Keeps The Air Flowing. The Result? An All-Around Winner