Alright, full disclosure-I'm the AGM at a swimschool. Once a week, I have a shift that we call Site Managing. I call in our swimmers, and make sure they get to the right coach. I help the coaches run the lessons, settle down scared or upset kids, go over skills, etc.-all from the deck. Now, because we work with small children our pool is a nice 88 degrees, the pool deck itself is a balmy 90 with about 60 percent humidity. In other words, it gets hot-real quick. One of the guards had one of theseSee full review