The womens peter storm merino baselayer works best as a thermal layer but can also be worn on its own in warmer climates made from a combination of merino wool and polyester materials this baselayer offers high levels of performance in both hot and cold environmentsactivitywalking hiking snowsportscolour swatchblackfittightgenderwomensmaterialmerino wool and polyesterperformancewickingbrandpeter stormcolourblack