PhD Outdoor Light Mid Crew Socks boast SmartWool's 4 degree elite fit system and ReliaWool high-density impact zones for all-day comfort with an improved fit and greater durability.

• Light half cushion for varied trail and road terrain
• Mid crew height (overall height: 6 in.)
• Merino wool, nylon, and elastane fabric blend
• SmartWool delivers soft, itch-free comfort, even foot temperature, moisture management, and odor control
• 4 Degree elite fit system uses two elastics for greater stretch and recovery to keep the sock in place and improve fit
• 4 fit bands—at ankle, arch, upper and lower instep--wrap and support the foot for more comfort, faster flex and recovery
• ReliaWool technology in high-impact areas provides longer-lasting protection to keep feet comfortable
• Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
• Flat-knit durable toe seam for high burst strength
• 2x1 ribbed welt, 1x1 ribbed leg
• Machine wash warm, inside out, gentle cycle, tumble dry low or lay flat
• Knit in the USA of imported yarn