Smartshake Retain is designed to fit your every adventure. Off the trail or in the office jungle, the Retain stainless steel bottle is always there to cool you if it’s hot or warm you when it’s freezing.
Unique no-slosh water bottle solution. Automatic water flow, you just bite the valve to hydrate quickly without tilting your head. Ergonomically shaped bottle with ventilation holes for convenience and comfort. Adjustable strap for a stress-free grip. Leak proof soft flask made from materials free from BPA and PVC included. Reflective details.