THE COLDEST BOTTLE - Built with our reputation in mind, we wanted to build the best water bottle, your last bottle. INSULATED COLDEST TECHNOLOGY - With 20+ years of combined engineering, our bottles are designed Coldest for up to 36+ Hours. SPORTS WATER BOTTLE - Take it on the go, built to be your last bottle. NEW INSULATED TOP LID 2.0 TECHNOLOGY - Our new lid engineering takes bottles to new heights. EASY TO CLEAN -HAND WASH ONLY WITH SOAPY HOT WATER!