Stone Glacier Men's Chinook Merino Crew Long Sleeve Base Layer Shirt - Constructed with Merino6 Technology, the Chinook Merino Crew LS base layer is the foundation for a 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. Merino6 Fabric Technology 89% Merino/11% Nylon blend 235g (Large) Merino Diameter: 17.5 Microns Anatomical Fit Soft to the touch Moisture Wicking Quick Drying Odor Resistant Style: 10001-GG