Search Icon


Rambler Colster


Color: Navy



Free U.S. Shipping $98+
Free Returns
Fast Shipping
Ships next business day

Keep your beers colder, longer with the toughest koozie on the market

The heavy-duty koozie that could keep a beer cold in the Sahara desert, the Rambler Colster is the stainless steel solution to warm beer. Double-wall vacuum sealed for maximum cool retention, the Rambler Colster fits nicely in any pack to keep your beverages ice cold no matter where you are.

  • Heavy duty, rust-resistant stainless steel construction can handle years of use
  • Sweat-proof design stops condensation from building up on your hands
  • Double-wall vacuum sealed for maximum cold retention
  • Twist-off gasket keeps your bottle or can securely in place
  • Cup holder compatible—sized perfectly to fit in any standard cup holder
  • Dishwasher safe

Easy & Free Returns