Start your hike or run with Smartwool's PhD Outdoor Ultra Light Mini Sock wrapped around your tootsies and prepare to forget about foot discomfort for the rest of your day. With a versatile quarter cuff and Smartwool's thin, durable blend of merino, nylon, and elastane fibers, the sock will pull sweat out of the depths of your shoe to ward off stickiness and subsequent hot spots and blisters, freeing you to look ahead and enjoy the views.