Nothing pairs with feet better than a bike chain. They were literally designed to give your feet power, just like our classic black performance socks. All the elements working together to take you places, seamlessly working as one. Product Features: a Ultra-wicking acrylic base with superior softness and stretch to eliminate hot spots and blisters. a Mesh upper for ultimate airflow. a Classic double-over cuff never falls down. a Unique Stretch-to-Fit sizing system for a perfect fit on a wide range of foot sizes. a Double-stitched nylon heel & toe for durability and longevity. a Off-beat, original designs only SockGuy can provide!