After four days on the trail, two hailstorms and a hardscrabble pass, you'll still be looking forward to the ultracomfortable, next-to-skin warmth of these bottoms. A heavyweight of versatility, our Merino Midweight is a wonderfully soft jersey knit suited to a wide variety of activities across a wide range of conditions. Merino wool is naturally breathable, regulates body temperature and stretches. It's also wonderfully soft and naturally resists odor. Ours is responsibly sourced from the grasslands of Patagonia. We slow wash it for softness and shrink resistance, without the use of chlorine, then blend it with 18% Capilene recycled polyester for durability and for dry times and moisture transfer superior to that of 100% merino. Features include a flat waistband with brushed inner elastic for next-to-skin softness, a gusseted crotch for mobility and low-bulk merrow seams and offset inseams minimize chafing. Machine wash cold; machine dry at low temperatures. Fabric is bluesign approved.