Product Features & Benefits: 56% wool for natural warmth Anatomical design with 2-way stretch Thin profile is unnoticeable under clothes Breathable construction for all day comfort Does not irritate skin and helps prevent skin allergies Offers great flexibility and support, great for sporting activities Conditions & Indications: Recommended for the prevention of sprains, strains, other knee injuries, arthritic conditions. Rehabilitation and treatment after injuries and surgeries.