Purist Technology is an amorphous silicon dioxide coating that's infused into the inner wall of the bottle. Essentially, this forms a glass-like finish that provides a totally natural, and completely inert, solution to the problem of your drinks staining the bottle or any migration of microplastics.

• Holds 26oz (768ml) of liquid
• Fits most, if not all, standard bicycle water bottle cages
• Prevents microplastics from migrating into beverages even on the hottest of days
• Purist technology makes droplets roll off the inside eliminating staining, mold, or tastes
• Weight: 90g
• Height: 24cm; Diameter: 7.5cm