Every adventure starts with a solid foundation, and so does your outfit. Whether you&';re in Tennessee or Timbuktu, the ultra-comfy and durable Merino fabric used in the Men&';s Merino Boxer Brief helps regulate body temperature, manages sweat, and resists odors. Each pair features smooth, flatlock seams and a wide elastic waistband with Merino lining to help minimize chafing and maximize comfort-helping you to stay comfortable until you call it quits. Fit: Slim Our slim fit is intended to follow the contours of the body Our lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin Flatlock seam construction designed to minimize chafing Fully functional fly Merino-lined elastic waistband designed for maximum comfort Size medium inseam: 4.75" (12 cm) Made in China: 88% Merino Wool, 12% Nylon. Exclusive of Decoration.