QMED 3D Line, Orthosis of the knee joint, size WITH

Use of orthosis.
The orthosis is used for the prophylaxis of knee joint overload syndromes, knee joint pain syndromes of various etiologies, inflammation of the knee joint (also with swelling), stabilization and relief of muscle-ligament structures in the case of degenerative changes, joint protection during sports and professional activities, as well as when relieving and knee stabilization.
PRODUCT FEATURES.
This orthosis is made of multi-directional flexible and breathable fabric. The ring surrounding the apple limits its lateral mobility while maintaining the full range of joint movements.
Universal for both right and left limbs.
SIZES: 
                                                    S M L XL         
Circumference of the knee joint (cm) 33 - 36 36 - 38 38 - 41 41 - 43 
at the height of the center of the apple