Whether you&';re taking on the Nordic trails or heading out for a cooler-weather hike, the Men&';s Classic All-Season Merino Base Layer 3/4 Bottom is perfect for year-round layering and comfortable enough to wear all day. With responsibly sourced Merino wool lining its wide elastic waistband, this & 3/4 bottom will provide uninterrupted softness next to your skin. Built for 4 seasons, the men&';s Smartwool Classic All-Season Merino Base Layer bottoms keep you comfy on snowy days or summer nights under the stars with durable wool-blend fabric and an updated fit. Features: 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