Salomon Active Skin 12 Hydration PackSalomon Active SKIN 12 SET Product Information Sensifit: The construction uses stretch, breathable fabrics and lightweight adjustments to optimize fit and stability. Quick link: This sternum strap enables you to adjust your pack quickly on the fly. The elastic makes it easier to breathe when you pick up the pace. 2 soft flasks 500 ml 28 included Sensifit Quick link 2 soft flasks 500 ml 28 included Sensifit The construction uses stretch, breathable