SockGuy Crew cuff socks are perfect for riding your bike on or off the road. But they aren't just for riding. They are great for hiking, skating, boarding, on the lacrosse field, and at work or just chillin'. They can be worn anywhere anytime. Put a pair on today, and your feet will be happy and look fantastic! Like SockGuy's entire line of performance socks, their crew socks are purpose-built and functionally fashionable. They include the "Stretch-to-Fit" sizing system and the exclusive "Easy-fit" cuff for a perfect fit every time on any foot. These features create superior softness and comfort to help eliminate blisters and hot spots. SockGuy Crew socks also feature a double stitched heel & toe for added strength and durability. SockGuy Crew Sock Features Ultra-wicking acrylic base with superior softness and stretch to eliminate hotspots and blisters Mesh upper for ultimate airflow Exclusive Easy-Fit cuff never falls down Unique Stretch-to-Fit sizing system for a perfect fit on a wide range of foot sizes SockGuy Crew Sock Sizing Small/Medium: Men 5-9, Women 6-10, Euro 37-42 Large/X-Large: Men 9-13, Women 10-14, Euro 43-48