Whether you're racing or spending a season getting in shape, the Smartwool PhD Cycle Ultra Light Chains Crew Sock keeps your feet comfortable through the miles. Its Indestructawool construction with Shred Shield technology delivers a durable, wear-resistant sock for your daily rides. Mesh ventilation keeps your feet cool while merino fibers keep the unsavory smells away. Plus, its chain print ensures you'll be riding everywhere in style.