A year-round favorite, Smartwool&';s Merino 150 Base Layer Bottoms work hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated fit to improve functionality while enhancing aesthetics, these bottoms stay durable while 100% Merino next to skin keeps you comfy and ready for more action. This gear is built for four seasons of adventure. Features Slim Fit Smartwool&';s lightest weight Merino jersey fabric uses a nylon core to increase durability while still keeping 100% Merino wool next to skin Fully functional fly Merino-lined, 1.5" (4 cm) wide elastic waistband designed for maximum comfort Flatlock seam construction designed to minimize chafing Fit updated to improve functionality while enhancing aesthetics Knit in Vietnam: 87% Merino Wool, 13% Nylon. Exclusive Of Decoration Style: SW000754