"It's everything I could want in a first layer: it's soft, movement-matching, odor-resistant, and not to mention sustainable. Literally a perfect, basic baselayer." —Gearhead® Expert AliOur Backcountry Cedars RWS Merino Lightweight Crew Baselayer Top builds on the essential baselayer by boosting it with comfort features, sustainable materials, and a streamlined fit. Responsible Wool Standard-certified merino wool delivers all the anti-odor, temperature-regulating tech we love in a material that takes animal welfare into consideration. Recycled content increases eco-friendliness while enhancing durability, and stretchy spandex lets us fully utilize this articulated top's range of motion.