Every epic adventure starts with a solid foundation, and the last thing you want to overlook is the first layer you put on. Ultra-comfy Merino sitting next to skin helps regulate body temperature, manages moisture, and resists odors whether you're in Tennessee or Timbuktu. Features smooth, flatlock seams and a wide elastic waistband with Merino lining. Made from ultra-soft and durable Merino 150 fabric. 87% merino wool13% nylon core. Merino 150: Breathable, soft, lightweight fabric for ultimate performance next-to-skin. Helps regulate body temperature, move moisture, and resist odors. Core Spun: Merino fibers wrapped around a nylon core for added durability while still keeping the comfort of Merino next to skin. Slim Fit; Mid Rise. Fully functional fly. Wide elastic waistband (40 mm) designed for ultimate comfort; keeps Merino next to skin. Flatlock seam construction designed to eliminate chafing. Size M inseam: 6" (15 cm). Garment Weight: 91 g = 3.2 oz. Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Cool Iron As Needed. Dry Clean. Imported.