ADV SKIN 12 Unisex Running Vest with flasks included Our best-selling hydration vest is back with a new design for enhanced stability, fit & versatility. Fine-tuned for demanding endurance races and runners, the Adv Skin 12 ensures easy access to hydration, long-distance comfort and freedom of movement. This 12-liter version is ideal for longer trails (60km+). Easy Hydration Designed for rapid, hassle-free access to hydration with our new soft flasks that slide into the front pockets and won’t move around no matter how hard you run. Freedom of Movement With a SensiFit™ design that wraps around you and new “Y-shaped” construction to distribute the weight, as you fly along the trail. Maximum Versatility With adjustments, generous storage and multiple pockets, including a large tunnel one on the back and zipped one inside. Plus, compression laces on the side. Best forFew days ActivitiesTrail running Bag Width29 CM Bag Depth1 CM Volume12 L Weight per unit247 G Weight Including Accessories323 G Hydration Solution Included