The new Purist Insulated features our proprietary Chromatek liner, a patented insulation barrier that lines the core to keep liquids cold. Not only do liquids stay cold, but the new squeezable materials also allow for unmatched flexibility.

Purist Insulated Chromatek bottles still incorporate an amorphous silicon dioxide coating on the inner wall of the bottle. Essentially, this forms a glass-like finish that provides an all-natural, completely inert solution to the problem of your beverages staining the bottle or leaving a residual aftertaste. This infusion also prevents fresh water from tasting like plastic on very hot days, making it like drinking straight from a sparkling clean glass.

Finally, our Watergate stopper features our hands-free Heart Valve that opens and closes.

• The Purist Infusion protects the bottle from odors, stains and mold to keep your water pure and your bottle clean.
• Chromatek coating keeps liquids cold.
• Updated materials offer unmatched compression capability.
• The self-sealing Heart Valve provides high flow rate with a 100% leak-proof design, even when the valve is open.
• BPA-free plastic is made from 100% FDA food-safe materials and printed with CPSC-approved non-solvent (UV-cured) ink and materials.