HJ Hall Anti-Blister Dual Skin Socks Grey HJ7443 3 pairs. 6-11UK These are the original Anti-Blister Dual Skin sock developed and invented by HJ Hall and now the market leader. Innovative double layer design to avoid friction and abrasion, reducing the potential for blisters under heavy use. Socks are made up with 50% Cotton 15% Nylon 30% Polyester 5% Elastane. 3 pair of socks in this listing. With an extensive range offering a wide variety of colours, yarns and patterns. Whether it is taking a steady stroll, relaxing in the garden or a busy day in the office you can be sure that these socks wil not only look stylish but will stay up in comfort from dawn till dusk. Made of a heavy grade of cotton/nylon mix.