In addition to my normal summer gear, I carry my cool vest and a plastic bag. During my first stop after things start heating up (usually 125 – 175 miles) I stretch, get some gas then put the vest in the plastic bag and fill it with a large bottle of cold drinking water from the convenience store’s cooler. I fill myself with a second bottle. By the time I finish my drinking my bottle of water the vest is saturated with cold water. I put it on and let me tell you the feeling of the cold water on a hot Texas day is great. Yes it evaporates and keeps me quite cool. The whole process is aided by the fact that the water comes straight from the cooler. Oh, I get wet in the process, but the evaporation keeps everything under control. The practice is assisted if you are wearing a shirt with good wicking properties.
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