Constructed with Merino6TM Technology, the Chinook Merino Crew LS base layer is the foundation for thehunting 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.