The Essential Road Light Sock is constructed with a mesh fabric across the bridge of the foot for enhanced breathability & ventilation while a ribbed cuff & shaft ensure a secure fit. A flat seam across the toe is designed to heighten comfort & the POC logo is included on the cuff. Features Ribbed structure on cuff & shaft for a secure fit. Mesh across the bridge of the foot for comfort & ventilation Flat seam toe for extra comfort POC logo on cuff 80% POLYAMIDE 20% ELASTANE Small:UK: 3.5-5.5 EU: 37-38 US: 6-8 Medium:UK: 6.5-8.5 EU: 39-41 US: 9-11 Large:UK 9.5-11.5 EU: 42-44 US: 12-14