Salomon Advanced Skin 12 Set with flasks - Black 
The choice of demanding endurance runners, the ADVANCED SKIN 12 SET offers more personalization in both fit and function. An updated sensifit and closure system make this pack even more comfortable for your unique body shape, and the 12L volume offers enough space for longer endurance races.
Easy Hydration
Designed for rapid, hassle-free access to hydration thanks to the soft, integrated flasks that slide into the front pockets and won’t move around no matter how much you do.
Freedom of Movement
SensiFit â„¢ construction ensures an enveloping, snug fit with optimal comfort and friction-free wearability. Versatile
As versatile as you need it to be, this hydration vest adapts to your needs – with an adjustable fit and multiple pockets for stashing your gear, or even your poles.