Our newest sock design is simple black and white sock- and an instant classic. Crafted from moisture-wicking, breathable fabric, the sock is engineered for long or short rides. Its League branded and ready for your next club ride or an epic century. The lightweight and durable Aireator has a close fit in performance cycling shoes, and the fiber blend includes Repreve®, a recycled performance polyester locally manufactured from recycled plastic bottles, reducing landfill waste.