Comfortable men’s socks: The Smartwool HIKE LIGHT CUSHION CREW, formerly known as PhD® Outdoor, is designed to perform at its best. They are made of soft Merino wool with a ZQ certification. Smartwool's men's hiking socks now contain more sustainable materials with the addition of recycled nylon, with breathable mesh zones, they are more durable and fit better than ever. But don't worry, you can still rely on Smartwool's popular technologies - as always, these socks will keep you comfortable all day long. Thanks to their length, you can rely on them even on longer expeditions, and the lightly reinforced bottom of the foot gives you maximum comfort even on difficult terrain - so you can go further and further without fear.