Check the listing for details. Nathan Crossover 10 L Hydration Vest. Color: Green, Condition: New with tags. Listed at 55.00 USD. Nathan Crossover 10 L Hydration Vest. Lightweight, chafe-free material with moisture-wicking mesh keeps you cool and comfortable 2 adjustment points allow you to quickly customize your fit to your specific shape Removable waist strap gives you the option of additional load stability Included 2-liter reservoir is designed to reduce sloshing Large zippered main storage compartment with separate internal reservoir storage sleeve 2 front strap pockets secure small valuables; 2 40-degree angled side pockets hold quick-access essentials Bottom stash pocket and back-panel bungee system provide extra storage 360° reflective details help keep you visible in low-light conditions External back loop attachments can carry your helmet between rides