Primed for long-distance trail races and adventures, the Salomon Advanced Skin 12 Set is a multi-tasking hydration hero. With ultra-versatile storage, all-day comfort and complete freedom of movement, this hydration vest gives you on-the-go access to your water and essentials without the distractions. Details: Sensifit™: The construction uses stretchy, breathable fabrics and lightweight adjustments to optimize fit and stability Load management: Quick-link sternum strap enables you to adjust your pack on the fly. The elastic makes it easier to breathe when you pick up the pace. Side compression laces are adjustable. Hydration: Two soft flasks 500 mL included. Insulated sleeve. Hydration: Compatible with 1.5 L reservoir. Contains an internal reservoir compartment with a hanging strap to hold the reservoir in place. Opening and closure: Top quality, very durable and reliable YKK zippers Safety whistle Volume: 12 L Weight: 293 g