Abstract
This study tests the performance of the recommended winter dress OnMapsi for an office worker through the analysis of skin temperature changes according to the heating environment. We tested and compared the effects of with/without undergarments for 4 male subjects in an artificial-climate chamber with two air temperatures of <TEX>$19^{\circ}C$</TEX> and <TEX>$22^{\circ}C$</TEX>, <TEX>$50{\pm}10%$</TEX> R.H. During the 60 minute experiment that simulated office work, the subjective feelings (that included thermal, humidity and comfort sensation, and skin temperature) were measured at equal intervals. The results show that the forehead and chest skin temperatures were not affected by air temperature or clothing type, while the hand and foot skin temperatures were affected at <TEX>$0.3-0.9^{\circ}C$</TEX> depending on clothing type and <TEX>$1.9-2.2^{\circ}C$</TEX> depending on air temperature. The mean skin temperature was decreased by the experimental time pass more with regular formal wear than with OnMapsi. The second experiment located the ambient temperature in which subjects wearing OnMapsi show equal skin temperaturesto those without undergarments at <TEX>$22^{\circ}C$</TEX>. Therefore it is possible to decrease heating temperatures to <TEX>$18-21^{\circ}C$</TEX> in the office for winter OnMapsi wear that produces a skin temperature and thermal sensation that is the same as those at <TEX>$22^{\circ}C$</TEX>.
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