Sweaty men we are not, however a good baselayer is just as critical for us girls, keeping us cool and comfortable as we gently perspire. So whether you’re at the gym or out on the trail a baselayer is essential wear come rain or shine. In warmer weather lightweight short sleeve baselayers are ideal for wearing alone or under a light top. When winter starts to bite, long sleeve thermal baselayers are the under-layer of choice. Merino wool baselayers as well as many synthetic baselayers have anti-microbial properties so you can stay freshly scented from heading out until getting home.