"It's a classic, but ours are the best. The merino wool is super soft, and the flatlock seams and jacquard waistband are just as comfortable." -Gearhead(R) Expert JessieThere's no first layer as excellent as the Backcountry Cedars RWS Merino Midweight Baselayer Bottom. Our Responsible Wool Standard-certified merino wool provides softness and performance tech, and comes from sustainability-focused farms. The classic full-length silhouette is suitable for a variety of winter activities, so we're ready to stay active all season long.