Aerozip 1L

Description Ultra-Light. Ultra-Snug. Zero Distraction. The AeroZip 1L Hydration Race Vest is built for runners chasing speed without compromise — a dialed, aerodynamic carry system that moves as one with your body from the first mile to the last. Whether you're racing a marathon, training for an ultra, or logging long trail miles, it delivers locked-in hydration and storage without the bulk of a traditional pack. Made from premium stretch fabrics with a contoured, compression-style fit, the AeroZip strips away weight where you don't need it and adds airflow where you do. Browse more hydration vests and packs to find the right capacity for your next start line. Specs & Features Hydration: Includes two 17oz / 500ml NATHAN x HydraPak oval-shaped soft flasks Fit: Precision unisex fit offered in sizes S–XL Closure System: Full front locking zipper for easy on and off Adjustability: Side elastic cords with toggle locks for micro-size adjustments Maximum Breathability: Perforated four-way stretch woven fabric enhances comfort and stability Easy Access Storage: Four expandable power mesh front pockets plus one zippered pocket for valuables Storage Capacity: 1L / 61 cu in Weight w/o Flasks: 4.8oz / 137g Weight with Flasks: 7.6oz / 216g