HYDRO FLASK BOTTLE BOOT MEDIUM ALPINE
The Hydro Flask Bottle Boot Medium Alpine is the favorite hydration flask for your rough and tough lifestyle. The medium flex boot is made to fit 32 and 40-oz wide-mouth bottles. The durable silicone boot is free of BPA material and provides protection from dings, bumps, and traction on slippery surfaces. The removable medium boot is not compatible with 32 oz lightweight wide mouth trail series bottles. It comes with a lifetime warranty