When it's really hot out, getting dressed seems pretty simple: Wear something light, loose and made for summer. But textile researchers say it's actually a little more complicated than that. The fabric matters. But so does how heavy it is, how the clothing is made, how it fits and even what colour it is. What works best also depends on what you're doing and how much you're sweating. With extreme heat a growing public health concern, scientists are developing and studying clothing designed to help people stay cooler. But clothing is only one component of the body's response to heat. Clothing should allow the body's natural response to…
