Material 69% Nylon 31% Spandex Lining 1: 20D Mesh-100% Polyester Lining 2: Cool Silk – 80% Nylon 20% Spandex Features & Benefits The classic high support racerback sports bra design features strap backs for a sporty look Buckle design, easy to put on and take off Elastic lower circumference, complete fit, not easy to shift The design of color matching is aesthetically pleasing and generous Comfortable and breathable High elasticity, durable and not easy to deform