With a new 4 Degree Elite Fit System and ReliaWool technology, SmartWool PhD Cycle Ultra Light Mini Socks deliver an improved fit, more comfort, and greater durability.

• Ultralight—no 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 recovery—four-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
• Low-profile and durable virtually seamless toe
• Alternating 1x1 welt
• Single-layer 1x1 ribbed top
• Overall height: 3.75 in.
• Machine wash warm inside out, gentle cycle; tumble dry low