Built for durable performance with a merino blend, PhD Cycle Light Socks feature SmartWool's 4 Degree Elite fit system and mesh ventilation zones, so you can log the miles comfortably.

• Ultralight noncushion for the absolute minimum between your feet and shoes
• Mini height: 3.75 in. overall height
• 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 regulation and moisture management
• Virtually seamless toe
• Alternating 1x1 welt; single-layer 1x1 ribbed top
• Knit in the USA of imported yarn