When temperatures fall, help keep your feet and legs protected in these extra long Heat Holders thermal socks. With a massive tog rating of 2.34 these women's thermal socks are fully cushioned and seriously thick. The knee-high length ensures warm coverage with heavy bulk yarn specifically blended for its extreme thermal qualities. The inside of each sock has been intensively brushed for an incredibly soft feel, and to help keep feet warmer for longer by trapping warm air close to the skin. It's the ideal sock choice to keep legs cozy and protected!