Durakit Workwear Thermals. Long sleeve Thermal top & Thermal trousers Merino Wool for exceptional comfort & durability Thermolite® & Wool mix double layer knitted fabric construction for increased warmth & insulation Thermolite® is a hollow core polyester fibre that traps air keeping you warm Thermolite also has wicking qualities, moving moisture away from the skin to evaporate keeping you warm dry & comfortable Added Lycra creates a better fit for comfort & ease of movement - Read more