Functional long-sleeved T-shirt for men made of high-quality natural materials from the sustainable fashion collection of the German brand Living Crafts. bio merino wool and silk monochrome design round neck normal length no side seams natural thermoregulating properties suitable for winter sports and casual wear durable machine washable up to 30°C with wool detergent This product is GOTS certified. Size markings may be non-standard. Please compare the measurements of your garment with our size chart. Material : 70% organic wool, 30% silk Made in EU