Speedo Women's Flyback Training Suit Exclusive performance technology upgrades the classic one-piece swimsuit, giving you an edge in the pool, whether you're training for a meet or practicing flip turns. Quick-drying Endurance+ fabric is enhanced with four-way stretch to deliver maximum shape retention and chlorine resistance, for a style that won't fall apart after one season. The sleek Flyback design provides support and increased freedom of movement so you can move through water easily and with control.