It’s time to shift from drinking unhealthy water. Whether you’re heading to work, the gym or on the trail. The SHIFT™ Bottle will take you there. The Shift Drink Bottles are designed to be used with our without the Miraguard™ Antimicrobial* filter. The Miraguard™ Technology suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media so you'll never be without fresh drinking water. The aluminum double walled construction and True Seal threaded top will stand up to harsh environments while keeping your drinks clean and at temperature. Dimensions: 24oz- 3" diameter x 9 1/2 Tall 32oz- 3 1/2" Diameter x 9 1/2 Tall