On Running Women's Endurance Bra Zip (High Support)On Running's high support running bra with a practical twist. With a front zipper for easy on and off. And encapsulated cups. Key features High support Encapsulated cups increase support and reduce bouncing A front zip closure creates an easy on and off Zip guard reduces chafing for added comfort The v shaped underbust reinforces support An open racerback construction increases breathability Bonded seams for a clean, streamlined look Adjustable straps