Sizes Available: 9-11, 10-13 and 13-15 Non-Binding Top Doctor-Approved Therapeutic Black Color Great for circulatory problems, diabetic, protective cushioning, Edema & Nephropathy Whitetop with extra stretch for comfort Cotton moisture management technology that keeps feet cool, dry & comfy Polyester hugs your foot for the perfect fit Cushion sole protects feet & provides additional comfort Smooth toe seam eliminates pressure point 90% cotton | 7% polyester | 3% Elasthane Machine wash warm Non-Chlorine bleach – tumble try low