Compressport Pro v4.0 Socks Discover performance and aerodynamic comfort with the Compressport Pro v4.0 Socks, designed specifically for demanding cyclists. Improve your speed and endurance with innovative technology. Material : High performance fabric with Aero.dot technology for aerodynamics Fabric technology : Stripes for sweat removal and high breathability Breathability : Advanced ventilation to keep feet cool Fit Details : Ergonomic bridge support and comfortable fit Weight : Light, with specific design for cycling Compression : Activation of venous return to improve performance Specific technologies : Aero.dots, 3D.Dots and Flat.Dots for support and ventilation