• One size, recommended leg circumference: 32-50 cm. • Material: 95% polyester + 5% spandex, flexible, comfortable, and breathable. • Ergonomic and mid-length design, easy to put on and take off. • Protects six areas: patella, resistance threads, muscle adjustment, lateral band, quadriceps tendon, and medial band. • Suitable for people with old and cold legs, cold joints, and lack of movement in air-conditioned rooms. • Ideal for sports such as volleyball, yoga, wrestling, dodgeball, paintball, softball, tactical, hockey, snowboarding, weightlifting, fitness, soccer, skating, cycling, taekwondo, martial arts, jiu-jitsu, and hunting.