CEP Calf Sleeves 2.0 - AW18 Compression - Increases oxygen delivery to active muscles while in motion and reduces lactic-acid build-up for more power and less recovery time. High-Tech Fibres - Prevents shin splints. Moisture Venting Zones - Wick sweat away from the skin. Calf Stability - Keeps you stable during intense workouts. Compatible - Can pair the sleeves with different socks, such as the Ultralight Low Cut Socks or the Merino Low Cut Socks.