HAGAN Pure Ski Mountaineering with American Flag water bottle is a 22 oz. Purist bottle made by Specialized.
Purist technology shields the inside of the bottle from bad taste, mold, or staining. As pure as drinking from a glass, but with all the advantages of a flexible ski or bike bottle. Nothing sticks, so your bottle stays clean and your water tastes pure so you can ski, bike, run and climb longer.