Gelert Welly Socks Mens. Gelert Welly Socks MensThe Gelert Welly Socks are designed to give you warmth and comfort with its thick knitted structure. Featuring the Gelert branding to the ribbed cuff.> Gelert Welly Socks> Thick design> Ribbed cuff> High quality> 87% Acrylic, 12% Nylon, 1% Elastane> Machine washable