Injinji's finger socks, Run Lightweight Crew, are designed specifically for runners, Socks are easy, comfortable, and easy to use. The design allows the fabric to cover each tiptoe, eliminating friction on the skin that can cause blisters. The sock material is light and breathing, so the socks provide excellent versatility. THE COOLMAX ® fibres and breathing surface keep the feet dry and cool. Seamless ergonomic design and integrated foot arch support provide a safe, non-slip position.