Smartwool’s best fitting, most advanced run socks the Smartwool PhD Run Light Elite Micro Men's Socks packs years of testing, prototypes and running smarts into arguably the perfect pair of socks. These socks feature targeted cushioning in the ball and heel of the foot for shock absorption where you need it, with minimal in-shoe volume, and a Virtually Seamless™ toe to insure your toes aren’t smooshed into your shoe. The 4 Degree™ Elite Fit System, which give you a perfect fit that eliminates sock slippage, bunching, and blisters is paired with a men’s-specific mesh ventilation zones to keep moisture moving quickly so your skin stays dry and comfortable. Whether you’re powering it on in sprints or running long distances you’ll appreciate the Achilles tab designed to prevent sock from slipping down into footwear and the merino wool content which keeps things breathable and suppresses odor causing bacteria. A smooth barely there sock with just the right padding for hitting the open road, local running path, or hill running trails all done in Indestructawool™ for durability. Go out and run with technically designed socks created to be comfortable companions from the first stride to the last.