Polar Bottle Sport Insulated Water Bottle Fly Dye (710ml)The original Polar Bottle, reinvented to be your go to sports bottle that is cool to the core. The newly re engineered Tri Layer insulation takes Polar Bottles recognized radiant heat reflective technology to the next level, keeping your liquids cooler, two times longer. Whether youre going to the gym, hitting the studio, headed out on a hike, or commuting to work, Polar Bottle fuels your go. Convenient to use, the Dash Handle makes this sport bottle