The Compression Knee Stabilizer by Thermoskin is designed to contour to the shape of the knee to enhance range of movement. Increased medial and lateral support is provided by the unique side stabilizers which feature on either side of the knee support. Universal design means you can wear this brace on either knee. Brace provides even compression to protect and support weak and injured knees. Measure slightly bent underneath knee cap.Anatomically designed the elastic support will comfortably contour to the shape of the knee. Side stabilisers provide increased medial and lateral support to weak and injured knees.Support Level: Mild / Warmth Level: LowQuantity: 1Size: Small, Medium, Large, or X-LargeColor: BeigeMaterial: 50% Rubber, 25% Nylon, 25% CottonManufacturer: ThermoskinRelated Injuries: Compression and support for weak and injured limbs.Instructions: Slip end of support over foot and slide up and over the knee so that the stabilizers are centered on either side of the knee.Warning: This product contains natural rubber latex which may cause allergic reaction. If pain persists, discontinue use and consult your medical professional.Options:Small (83646) UPC: 609580836469Medium (84646) UPC: 609580846468Large (85646) UPC: 609580856467X-Large (86646) UPC: 609580866466Sizing Guide:Measure slightly bent underneath knee capSmall: 12 -13 1/2in (30-34cm)Medium: 13 1/2 - 15in (34-38cm)Large: 15 - 16 1/2in (38-42)X-Large: 16 1/2 - 18in (42-46)