We tested two more water bottles in another water bottle face-off. This time it's Yeti vs LifeStraw. Which simply stays cold the longest? #CNN #shorts #cnnunderscored #underscored #yeti #lifestraw Yeti: tr.ee/se3nLj-gOE LifeStraw: tr.ee/HlHMR58K2L Check out more reviews at: CNN Underscored: cnn.com/cnn-underscored CNN Underscored IG: instagram.com/cnnunderscored