Heat Holders Ultra Lite - Mens 4 Pack Thermal Socks Keep feet warm on the coldest of days and pull on this pair of Heat Holders Ultra Lite Thermal Socks. Now in a 4 pack Heat Holders Ultra Lite is like the Lite version but even less chunky. They are perfect for tighter fitting shoes, meaning they make great dress socks in the winter months, fitting in any sort of shoe and providing Heat Holders known warmth. Heat Holders socks give you intense comfort and warmth. Our Specially developed thermal yarn provides high performance insulation against cold with superior moisture breathing abilities. Innovative knitting technology produces our unique, extra long looped cushion pile to hold in more warm air. With a 1.0 tog rating, your feet and legs will be 3X warmer than a regular cotton sock even in extremely chilly winter climates. If you re struggling to get your thick Original Heat Holders into your boots or shoes then here is your answer These socks come in a 4 pack, are available in Men’s 6-11 UK and made from 89% Acrylic, 10% Polyamide, 1% Elastane. They come in Black, Charcoal, Navy and they are machine washable. Extra Product Details Heat Holders Ultra Lite Socks - Specially Developed Yarn - Thinner Than The Original Sock - Thermal Brushing - 1.0 Tog Rating - Thick and Warm - 3X Warmer Than Cotton Socks - Men’s Size: 6-11