Features of the Norrona Men's Equaliser Merino Longs Baselayer New merino equalizer combines the best of two worlds, and is developed to suit your outdoor activity perfectly Fitted longs works perfectly underneath shell and any pants Made in a RWS merino wool/ recycled polyester mix, combining the thermal and odor regulating Properties of wool with synthetics' great moisture transportation and durability Fabric Details 47% Merino wool, 33% Recycled polyester, 20% Polyester