FLOSO Launch SALE Mens Best Quality Multipack 1.9 Tog Thermal Socks (Pack Of 6) Cotton, Polyester, Our best quality multipack Mens thermal socks. Fiber: 60% Cotton and 40% Polyester. Ideal for cold winter days or even on the ski slopes. Tog rating 1.9 per cm (approx per 0.3 inches). Knitted with high bulk Acrylic yarn, giving the socks extra thermal warmth and a high tog rating.