Enhance your running experience with the Unisex Pinnacle 12 Liter Hydration Race Vest by Nathan Sports, designed to boost performance with its 20% lighter design compared to the Krar and Howe vests. This vest features a breathable, contour construction with a longer back for optimal comfort and airflow. It includes 13 exterior pockets, a large back zipper for gear, and kangaroo pockets for essentials, along with adjustable sternum straps for a personalized fit. The vest holds a 1.6-liter insulated hourglass bladder to minimize sloshing, weighs 12.5oz with the bladder, and integrates reflective details for visibility.