Salomon Active Skin 12 Reservoir - Do you want to take your performance on ultra trail runs to the next level? For this purpose, we introduced the Active Skin 12 with a hydration reservoir - the largest volume in this series. The materials are soft and breathable, the fit is extremely secure, and the 1.5 liter hydration bladder keeps you hydrated. There are also chest pockets that keep your flasks (not included) within easy reach at all times.