Runners and cyclists, meet your new favorite gear! This Calitch hydration vest is seriously lightweight at only 190 grams - you'll barely notice you're wearing it! With 5 liters of storage capacity, you can carry everything you need for long trail runs, bike rides, or hiking adventures. The air mesh back and shoulder pads are super breathable and help manage sweat so you stay comfortable mile after mile. There are pockets everywhere - water bottle holders, phone pocket (fits up to 5.5 inch phones), zipper compartment for keys and money, card storage, even space for snacks and gels. The adjustable straps make it hug your body perfectly without bouncing or shifting during movement. Made from waterproof nylon with SBS zippers and durable fasteners that can handle serious outdoor use. The bright color options make you visible during early morning or evening workouts. Seriously, if you've struggled with hydration packs that bounce around or feel bulky, this vest will be a game-changer. It's designed to move WITH your body rather than against it. Perfect for trail running, road running, cycling, hiking, or any endurance activity where you need hands-free hydration and storage. Stay hydrated and carry your essentials without sacrificing comfort or performance!