The ultra lightweight, low-cut running sock that balances comfort and protection with a barely there feel. Perfect for warm days and running races, the Ultralight Low Sock will keep your feet fresh run after run. Light as a feather, it combines anti-blister patches and a moisture-wicking structure to create a sock that keeps you comfortable, protected and ready to run. As you pile on the miles, cool and dry feet are what it's all about. So the only thing that's heating up are your lap times. A sock that hugs your feet, a sock that feels like a second skin. With a snug and supportive toe box and an ultrafine gauge yarn, this sock is all about that feeling of running sockless yet supported. This sock is all about performance.