This sock allows you to enjoy your favourite activities comfortably in Winter. Heat Machine uses triple brushed acrylic yarn providing a soft fleece lining, whilst also retaining the heat preservation attributes. Heat Machine thermal insulated socks has a 2.3 Tog rating and guarantees warmth with advanced thermal technology.

• 91% Acrylic, 5% Polyamide, 3% Polyester, 1% Elastane
• 2.3 Tog Rating
• Size: 06-11
• Colour: Black