It gets hot at the track, and these double wall insulated water bottles keep drinks icy cold for hours.
Current water bottle inventory is limited to what is shown as in stock.
From the manufacturer:
The superior hot & cold retention of the double wall insulated Polar Camel high endurance drinkware is now available in a water bottle! The screw on lid features an easy flip top, soft rubber finger hold, raised ridges for easy opening and closing, and a rigid & removable straw for easy cleaning. Not recommended for use in dishwasher.