Inspired by barrier-breaking athlete Mirna Valerio, the Darn Tough Mirnavated Micro Crew Ultra-Lightweight Run Sock delivers blister-free performance that feels like a second skin on every trail and road run. This women's running sock combines premium merino wool's natural moisture-wicking power with ultra-lightweight construction that adds zero bulk to your favorite running shoes or trail runners. The True Seamless toe technology eliminates hot spots and irritation, while targeted arch support prevents slipping and reduces foot fatigue during long training sessions. Whether you're tackling technical trails or logging road miles, these performance running socks move excess heat and moisture away from your feet while cushioned terry loops provide lasting rebound with every stride, all backed by Darn Tough's legendary lifetime guarantee that makes every run an investment in comfort.