Yvette Adjustable Strap No Bounce Sports Bra #8012-Breathable/Wirefree shell fabric:90% Polyester(50% COOLMAX),10% Spandex Support Type: Wire Free Cup Shape: Full Cup Closure Type:Three Hook-and-eye Strap Type:Adjusted Straps,Non-Convertible Straps shell fabric:90% Polyester(50% COOLMAX),10% Spandex