When we're gearing up for a long trail run or a multi-day peak-to-peak adventure we opt for the Salomon ADV Skin 12L Hydration Vest. The ADV features a streamlined design that functions as a second skin letting us hop over logs and scramble up precipices. The self-adjusting fabrics conform to your body giving you a breathable bounce-free fit that lets you bring all the gear you'll need when you're logging mile after mile. With room for a reservoir plenty of pockets and the included soft flasks this vest keeps us hydrated from the first step to the home stretch.