The 40oz was designed for people that love water more than the 32oz. The added volume for some creates the perfect amount of water to carry on the go without being too heavy.
Coldest Bottles are the most featured packed, innovative bottles on the market. Built to stay Cold 36+ hours, and HOT 13+ hours. Extensively tested against 40+ leading brands in 24 hour and 48 hour tests. Whether your going to the gym for your next workout, or going on your next adventure the coldest bottle is your go to.
Leakproof • 36+hrs Cold • 13+hrs Hot • Triple Insulated • Stainless Steel • Coldest Insulated Lids • 150,000+ Reviews