DetailsSock Guy Size Chart These 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! Purpose-built and functionally fashionable, they include SockGuy's "Stretch-to-Fit" sizing system and an 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. A double stitched heel and toe add strength and durability.