Giordana Compression Socks are designed to help delay the onset of muscle fatigue by increasing blood circulation, both on the bike and after the ride. With a knee high option that covers the entire calf, and a shorter race legal height you will be able to take advantage of the proven benefits of compression while riding and recovering. The left and right specific fit, combined with the socks tubular knit, allows the sock to hug and support the muscles in the areas that will benefit most.