Smith, John R.; Throop, Wes . 2006. The Effect of Color on Temperatures Inside Hardhats. 0651 2312. Missoula, MT: U.S. Department of Agriculture, Forest Service, National Technology and Development Program. 4 p.
Describes the results of 3 days of tests measuring temperatures inside six different hardhats with colors ranging from white to black. When temperatures were the hottest, the white hardhat was 3.2 degrees cooler than the black hardhat. When temperatures were the coolest, the black hardhat was 8.9 degrees warmer than the white hardhat. The red and blue hardhats were not as warm as the black hardhat and the yellow and orange hardhats were not as cool as the white hardhat.
Keywords: comfort, personal protective equipment, temperature
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