Knee pad effect has 3 points, it is brake, 2 it is heat preservation, 3 it is health care.
Insulation is not much said, the knee part is very easy to catch cold catch cold, a lot of knee joint disease are associated with knee catch cold catch cold, especially in the mountains, wind and very cold, very hard, often leg muscles because the games feel very hot, all the while the knee because there is no muscle movement, so it's not hot, when people feel the leg heat dissipation is very comfortable, in fact, the knee is in catch cold catch cold, at this time, if is wearing knee, can reflect the heat preservation effect of knee has.