Thick wool socks that provide exceptional insulation and comfort during tough workdays in cold conditions. 51% merino wool Warm terry knit Reinforced areas Elastic knitting at arch Machine washable in 40° C Size 37-40, 41-44, 45-48 See size chart * Non stock sizes are available to order with lead time but are not returnable. Due to the large variety of non stock sizes that Snickers workwear offers an extra surcharge of 20% will be added. Material Main: 51% merino wool, 47% polyamide, 2% elastane