The lowest-bulk sock from Injinji is designed for all types of runs on all types of terrain. Theinnovative five-toe performance design keeps your toes free for improved feel and a more natural fit on uneven terrain while removing friction that can lead to blisters. A band under the arch provides support and stability, while a mesh top and COOLMAX fibres help keep feet dry and cool. Soft, durable seamless construction delivers a supportive, secure fit. Injinji Run Lightweight No-show Black