.The revolutionary genie bra offers the comfort all women wish for Ultra-smooth fabric delivers a highly agreeable feel, offering maximum comfort:Best for yoga bra,sports bra,even sleeping bra. It is the ultimate in seamless comfort and support Form-fitting, seamless construction with cups that stretch to conform to your shape wide comfort band with no underwires 96% Nylon, 4% Spandex Available in Black, White, Nude.