Go the distance this year with the DonJoy Performance(R)TriZone Calf Sleeve. Specially designed to stave off fatigue, this sleeve utilizes silicone banding to support the muscle during significant activity. A three-zone target area compresses the calf so you can stay comfortable while thermal regulating, anti-bacterial fiber prevents odor. The reflective design completes the look, enabling you to train during all hours. FEATURES: Calf sleeve Supports calf through strategic compression Three-zone target area delivers ultimate performance Silicone banding on the sleeve delays fatigue Thermal regulating, anti-bacterial fiber prevents odor Reflectivity increases visibility Fits left or right calf