The Three Levels of Summer Workwear Working in the heat sucks. Apart from being uncomfortable it can be downright dangerous. Over my 20 years in construction I’ve seen several people drop from Brands Mentioned: AlphaCool, Arctic Cool, Brass Knuckles, Carhartt, Crossfire, Darn Tough, Dickies, Heat Straps, Keen, the 1620, Thorogood, Timberland, Truewerk