Minimalist Hydration Pack built for skiing and snowboarding. • Freeze-Resistant Hydration 🥶 • 17oZ soft flask included 🥤 • Fits UNDER or OVER your ski jacket🧥 • Multiple pockets to carry the essentials⚙️ • Easily Accessible phone pocket📱 • Back Panel pocket for added Hydration💦 Keep everything organized and your liquids from hawing in the all new RAVERUNNER Chest Pack.