The Per Feet Gold Diabetic socks features a thread impregnated with a unique product called Sea Cell. They are developed as a range of products to meet the needs of various foot problems. The product is a sea algae that has proven nurturing effects for human skin & in the case of Sea Cell Active it also features silver which has known antibacterial properties. Hand knitted toe seams, a wide range of sizes including widths & special knitting techniques make these products top of the range in quality. They are available in a wide range of sizes including a standard & extra wide fit & 3 colours; Black; Grey & Marine. Key Properties Double-walled trim ensures perfect fit, does not slide down Special knitting technique ensures good fit on instep Optimum sock thickness ensures proper protection for the whole foot Flat, h&-stitched toe seam Fabric Content 54% Cotton 10% Polyamide 15% Sea Cell 8% Polyester (Dacron)7% Sea Cell Active 6% Polyamide (Tactel) Always remember to buy two pairs, one to wear one to wash. Always consult a Medical Professional before wearing Compression Support hosiery.