Over the past few weeks, I’ve been testing running apparel from two companies, Gore Apparel and Endeavor Athletic. Gore Apparel Mythos Singlet, Essential Baggy Shorts, and Fiber Run Socks Gore sent me an entire outfit: the Mythos 6.0 Singlet in blue, the Essential 2.0 Baggy shorts, the Gore Fiber Run socks, and the Essential Windstopper Gloves. Because cold weather is still several months away, I’ll review the gloves at a later time. Mythos 6.0 Singlet…