Gibaud tubular knee sleeve, size 3, made of wool, cotton and elastic fiber (83% wool, 11% cotton, 6% rubber fiber). Medical device for prevention of rheumatic conditions, provides thermal insulation to retain warmth without tight compression. Tubular knit construction offers comfort and a snug, non-restrictive fit. Reusable and hand-washable at 30°C with neutral soap, do not wring, dry flat, do not iron. Ideal for daytime use and portable wear.