As ODLO’s lightest pure merino wool base layer, the 160 natural merino wool T-shirt is made in a European ODLO factory from 160-gram mulesing-free wool. It’s an extremely versatile choice for practically any activity in warmer temperatures, thanks to natural thermoregulating properties that keep you cool and moisture-wicking capabilities that keep you dry. Whether you’re relaxing or riding until sunset, the lightest merino wool in the range is made for everything. Natural comfort, wherever you go. 100% virgin wool (merino)