The Ventilator tight provides our patented muscle support web for targeted Knee, IT band and Calf support. * Built-in air conditioning through mesh venting panels in the quadriceps and calf muscle areas helps reduce excess heat build-up and heat fatigue. * Breathable and Wicking Coolmax material which pulls moisture away from the body to keep you cool and comfortable. * CW-X Ventilator tight offers benefits for all three areas of our Conditioning Cycle: PREPARE: (warm-up), PERFORM: (endurance), RECOVER: (accelerates recovery form workouts) * Reflective logo increases visibility in low light conditions