The OEM Soft Flask 473ml is the perfectly sized vessel for your plain water or OEM Electrolyte Drink Mix. Lightweight, collapsable and portable, it compresses as you drink to reduce sloshing. Engineered from a durable, abrasion resistant and safe to drink from material with seamless welding to stow in your running vest or pocket for hydration during high intensity exercise. In OEM’s special signature otherworldly hue.