Our best-selling hydration vest is back with a new design for enhanced stability, fit & versatility. Finetuned for demanding endurance races and runners, the Adv Skin 5 ensures easy access to hydration, long-distance comfort and freedom of movement. With 5-liter capacity ideal for marathon trail races and adventures up to 60km. Specifications: Best for: Single day Bag Width: 0.39 IN Bag Depth: 11.02 IN Volume: 5 L Weight per unit: 7 OZ Weight Including Accessories: 9.9 OZ Activities: Trail running Hydration Solution Included Product Type Description (Apparel & Gear): Unisex Running Vest with flasks included