Cosyfeet Extra Roomy Cotton-rich Seam-free Socks: Seam-free cotton for cool feet. Developed by Cosyfeet for our customers with diabetes or sensitive feet, these seam-free socks have cushioned sole, toe and heel areas and give comfort and protection to the most sensitive feet. Size details: Small fits shoe sizes 4 to 7, Medium fits shoe sizes 6 to 11. Other Information Fibre Content: 69% Cotton, 29% Nylon, 2% Elastane. Available in Black, Beige, Navy, Pale Blue Pack contains 2 pairs in one colour For further information please contact your local shop or call 01908 644133 (Luton 01582 487878). We look forward to hearing from you.