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 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 our ultra-soft and durable Merino 150 fabric.Features Merino 150 - This breathable, soft, lightweight fabric offers next-to-skin comfort, moves sweat away from the body, and acts as a versatile performance layer for warmer conditions. 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 Merino-lined, 1.5" (4 cm) wide elastic waistband designed for maximum comfort; 100% Merino next to skin Flatlock seam construction designed to minimize chafing Size M inseam: 4.75" (12 cm) Knit in Vietnam: 87% Merino Wool, 13% Nylon Core