Get all-day comfort and support. Graduated-compression knee highs increase circulation and relieve swelling, with firm support from knee to ankle and an upper band that will not bind or constrict. Medium fits shoe sizes 6 1/2-8, Large fits shoe sizes 8 1/2-10 1/2, XL, fits shoe sizes 11+, 2XL fits shoe sizes 11+ and ankles 12"+. Hand wash. Nylon/lycra.