WYN CdA Aero calf socks are designed to maximize speed and reduce drag for your cycling and triathlon personal bests. Race-tested by our world class professional triathletes, WYN CdA aero calf socks provide the ultimate "aero upgrade" to compliment the WYN CdA aero tri suit. 

The 2024 WYN CdA aero calf sock

• Flexible and aerodynamic CdA fabric
• Aero tested in the Wind Tunnel, Velodrome and Real World
• Second-skin fit with light compression, perfect for multi-sport events from start to finish.
• Laser cut cuff openings with custom silicone gripper.
• UPF 45 rating.
• OKEO-TEX 100 standard certified fabrics.