LIFA MERINO FABRIC combines warm merino wool and a moisture-wicking base layer for optimal comfort during outdoor adventures BREATHABLE PERFORMANCE keeps you comfortable as a versatile base layer during all your outdoor adventures THERMOREGULATING DESIGN with advanced materials that adapt to your body temperature for a consistently comfortable base layer ALL-SEASON VERSATILITY offering a reliable base layer for any outdoor adventure MOISTURE-WICKING TECHNOLOGY keeps you dry and comfortable as a reliable base layer for all your outdoor pursuits