A Windproof sock which pulls on easy over a thin sock is a great way to help protect your toes from the effects of wind chill. Warm, soft, luxurious velboa fleece on the inside of the fabric. Short sock design & minimalist detailing. Features Made in the UK Part of the KNOX Cold Killers BLUE collection. Windproof socks with a soft stretch panel at the back for an easy fit High performance 10k/10k membrane combined with stretch soft shell Water resistant Features high-end branding & a contrast blue ribbon tape for subtle detailing Machine Washable Dries super quick