New DonJoy Performance Trizone Calf Compression Sleeve Large Black Mid Support Large:Black TPU outsole with bladed heel Lavender TPU outsole with bladed heel for immediate initial ground traction armored with 10mm of heavy duty thigh and hip protection and 5mm of knee padding to prevent cuts Three zones of compression strategically placed around the shin and calf deliver peak performance Silicone banding injected directly onto the sleeve wraps and supports the calf muscle during activity to significantly delay the onset of fatigue All natural carbonized bamboo is thermal regulating and anti bacterial helping eliminate odors Anti migration technology helps to eliminate slip Reflectivity for enhanced visibility in low light conditions