Odlo Merino 200 Long Sleeve Baselayer Top for Men. Experience natural thermoregulation and enhanced moisture management with this soft-touch top, perfect for any weather, whether you're indoors or outdoors, moving fast or slow. Designed with an industry-leading layering technology invented 75 years ago, Odlo's functional clothing is designed inside-out in Switzerland for active, passionate people. To balance the needs of everyday athletes and the planet, ODLO has a stated objective of using 100% sustainable fabrics.