The Men’s Smartwool PHD OUTDOOR LIGHT Pattern Crew Socks will keep you comfortable and stylish on your afternoon hike. Indestructawool technology makes them extra durable. Light cushioning under the foot helps reduce wear and provides added support on those rugged trails. Merino wool ensures they are breathable, stay dry, and keep your feet fresh on hot days, and retain warmth on cold days. Mesh venting provides additional breathability and moisture management. The crew height rises to the calf for added warmth.