Thick, chunky and with a massive tog rating of 2.34 for warmth -7-12 us The extra long, thickly padded sock is ideal for skiers and all winter activities Brushed inside to hold heat within without sweating - Long Knee length Ideal inside ski boots and for anyone who works outside in cold temperatures An ideal Gift- Women's and children's versions in my Amazon shop The extra long, thickly padded sock is ideal for skiers and all winter activities, cushioning the lower leg and foot while keeping them blissfully warm. Heat Holders are officially 2.34 tog rated for thermal performance, with a specially blended bulk yarn, extra long cushion loops and intensive brushing process, helping them hold more warm air close to the skin than other socks. Heat Holders Ski Socks have a distinctive contrast cuff, toe and heel