designed for heavy-duty warmth in cold conditions. Warmth Rating: They feature a 2.4 tog warmth rating and are resistant to temperatures as low as -25°C, providing significant insulation. They are described as being up to four times warmer than normal cotton socks. • Features: • Comfort: The socks feature a looped terry for extra comfort and warmth, a brushed interior, and a comfort toe seam. • Size: The size indicated on the packaging is 9-11 (sock size), which fits a women's shoe size of 4- 10. • Care: They are machine washable.