Speedo Women's Butterfly Ink Pulse Back 80% Nylon/20% Lycra Imported Extra life lycra fabric lasts 5 to 10 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Full front and back lined with thick strap pulse back styling for a comfortable, secure fit that doesn't bind or gap Contemporary race cut offers highest leg height for athletic look and fit Made by speedo, the world's No.1 swim brand