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 and 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 and a contrast blue ribbon tape for subtle detailing Machine Washable Dries super quick