With a new 4 Degree Elite Fit System and ReliaWool technology, SmartWool PhD Cycle Ultra Light 3/4 Crew Socks deliver an improved fit, more comfort, and greater durability.
Ultralightno cushion for maximum performance next to the foot
New 4 Degree Elite Fit System with bi-elastic construction across four fit bands improves fit and comfort with faster flex and recoveryfour-point support at ankle, upper and lower instep, and arch to keep the sock in place
ReliaWool technology in high-impact areas provides longer lasting durability and protection to keep feet comfortable
Soft, breathable merino wool regulates temperature, manages moisture, naturally resists odor, and does not itch or shrink
Mesh ventilation zones for temperature and moisture regulation