This is the latest 2025 model. Used only once. It's in beautiful condition with no scratches or stains. Thank you. Includes two soft flasks and a separately sold soft cup. Thank you. The best-selling hydration vest returns with a new design that enhances stability, fit, and versatility. The Adv Skin 5 is easy to hydrate with and ensures long-lasting comfort and freedom of movement, making it suitable for demanding endurance races and other needs. The 5L capacity is ideal for long-distance trails up to 60km.