The ADV Skin 12L Race Flag Hydration Pack offers 12L capacity for long-distance trail runs and endurance adventures. It includes two 500ml soft flasks for easy hydration access. The SensiFit™ design and Y-shaped construction provide a secure, bounce-free fit. Adjustable straps and Quick Link system allow a custom feel on the go. Features stretch pockets and compartments for organized gear storage, a trekking pole carry system for technical trails, and reservoir compatibility for extended hydration needs. Lightweight and durable for long-lasting trail use.