Devold® Optimum is a new line of high quality products, made from 100% pure Total Easy Care® merino wool. Devold® Optimum is a dual layer quality with excellent insulation and very good wicking abilities. Devold® have used extra fine merino wool to give you a garment that feels very soft and comfortable against your skin. Devold® Optimum may be used both as an inner- and mid layer garment. Devold® Optimum is machine washable and may be tumble dried at low temperature.