This pack of 3 Gents socks have a subtle ribbed effect, they feature a loose fitting top making them suitable for diabetics.80% Cotton 18% Polyamide 2% Elastane Please note: products such as Socks, Tights, Gel Cushions & Arch Supports can only be returned under the goodwill 14day money back guarantee if they are unopened/unsealed. This does not affect your statutory rights.