The 2502 wool socks feature reinforcement and insulating fabric in the heel, sole, toe and upper for enhanced durability and comfort. Thanks to its ability to regulate temperature and keep warm in wet and dry conditions, wool is the best material for long-term outdoor work in low temperatures. What's more, wool has a natural anti-odour function. SYMBOL Wool FABRIC 47% wool, 43% polyamide, 10% elastane STRENGTHS Reinforced heel, sole and toes, Terry knit heel, sole and toes, For low temperatures and cold climates, Natural anti-odor function, Elastic knit all over the foot, Good moisture transport PACKAGING Packaged per pair