Constructed with Merino6 Technology, the Chinook Merino Crew LS base layer is the foundation for our hunting layering system. This piece is designed to incorporate the soft feel and moisture-wicking capabilities of nylon while retaining the insulating and odor-resistant benefits of merino wool on extended backpacking trips. Constructed with a longer tail and seamless shoulders this piece is specifically designed for use on extended backpacking trips but equally at home as an everyday layering piece. FeaturesMerino6 Fabric TechnologyBody Fabric: 89/11 Merino/Nylon blendGarment Weight - 8.3 oz. (L)Textile Weight - 170 g/m2Merino Diameter: 17.5 MicronsAnatomical FitSoft to the touchMoisture WickingQuick DryingOdor Resistant