Redtag Mens Striped Extreme Thermal Socks (2.45 Tog) Acrylic, Polyester, Elastane Mens thermal socks with striped design and 2.45 tog. Soft brushed inner to hold more warm air close to skin, keeping feet warmer for longer. Advanced insulating yarn for high performance insulation. Choice of 3 colors. Sizing: US 7-12, UK 6-11, EUR 39-46.