Cognative Topo Map Purist Mountain Bike Water Bottle Product Overview Purist Mountain Bike Water Bottles shield the inside of the bottle from any bad taste, mold, or staining. As pure as drinking from a glass but with all the advantages of a flexible bottle. Specs and Features BPA Free and leak proof with the MoFlo cap MADE IN THE USA Available in 22 and 26 oz versions Rinse with warm water after each use to clean. Do not scrub with abrasive material. Built for You We believe in the freedom and positive benefits of cycling. Whether you are a beginner mountain biker, weekend warrior, Enduro racer, or just love riding bikes with friends, we built our MTB gear for you.