Raise a glass to your favorite team with the YETI Boston Red Sox 20oz. Rambler Tumbler. Whether you’re watching the game or just want to show off your team pride, this Boston Red Sox drinkware will leave no doubt about your favorite MLB team. Thanks to the Boston Red Sox colors and logo, you’ll be able to celebrate your team and quench your thirst. Cheer your team to victory and enjoy your favorite drink with the YETI Boston Red Sox 20oz. Rambler Tumbler.