Nathan Pinnacle 4L Women's Hydration Race Vest Size:Medium TYR Sport swimsuits are fully

TYR Sport swimsuits are fully lined

Perforated front ventilation

Enhanced rocker shape for energetic push-offs

NB HEAT technology helps keep you warm while wicking away moisture

Built to last

Nathan Pinnacle 4L Women's Hydration Race Vest Size:Medium TYR Sport swimsuits are fullyDescription No matter how fast or far you're running, this vest is built to keep you at the top of your game. Designed to be 20% lighter and more breathable than the Krar and Howe Vests, the Pinnacle series fits like a second skin and adds two new kangaroo pockets to the collection of smart storage spaces. Details 20% lighter than any other NATHAN vest Female specific vests is designed with a shorter torso and hourglass shape Contoured Chimney back