Speedo Women's Endurance+ Swim Bottom With Zip Pocket 50% Polyester/50% Polybutylene Terephthalate Imported Speedo exclusive Endurance+ polyester fabric lasts 20 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Four-way stretch technology provides a body hugging fit, great shape retention, and soft comfort Back zip pocket and contemporary leg height fit with core compression to trim and slim Made by Speedo, the world's #1 swim brand