Product Details     Style: NS30230 A run in the heat means bringing some water, and long runs mean bringing even more. And with the Nathan VaporAiress 4L Hydration Vest, you'll be able to carry all of your essentials in a lightweight, breathable vest. The Included 2L reservoir holds enough water to keep you hydrated and 4L of space for any essentials you want to bring along. The Set It and Perfect It™ adjustable sizing system provide a tailored fit for comfortable runs. FEATURES Adaptive Fit™ customizes the size of the vest for comfortable fit Soft, breathable mesh for chafe-free comfort Includes 2L hydration bladder (67 oz) with quick release valve 7 pockets, including multiple back pockets and bottle pockets up front for extra hydration Quick connect hose for easy cleaning and installation Reflective details for 360° visibility Nathan VaporAiress 4L Hydration Vest