Darcy Conover envied her husband, Adam Moszynski, every time they skied together, but not for his skills. Both are professional ski mountaineers, and Conover has summited prominent objectives around the Western Hemisphere, including 92 of Colorado’s Centennial Peaks, the 100 highest peaks in the state. What Moszynski had was a one-piece base layer that outperformed anything in Conover’s closet. It taunted her: why couldn’t she get something awesome like that?