The ratings (tested through CrossFit moves, general cross-training, circuit training, cardio, power and isolation exercises):
Comfort = 5/5 - They remain second-skin tight, but not restrictive. They help maintain a dry, manageable body temperature. I noticed them keeping me cool during workouts.
Size = 4/5 - I ordered an XL. I am 6'0" with bigger legs. These were probably designed for someone who is 6'2". But with bigger legs, these fit well.
Performance = 5/5 - Seems to improve endurance and recovery. I have intensified my leg and core training and these tights have caused my soreness to noticeably dissipate.
Weight = 5/5 - Like wearing temperature-regulating and endurance-enhancing air.
Durability = 5/5 - I have used these through numerous workouts now. They have been washed numerous times and are still perfect. I do air-dry them, though.