Back by popular demand, the best-selling Outdoor Research Alpine Onset Merino 150 Base Layer Collection is a winter enthusiasts' favorite for good reason. Merino wool is soft against the skin, making it the perfect base layer material. And now, the merino wool is blended with recycled polyester for added durability and moisture management. Fit to be worn next to skin, and built with a no-chafe flat seam construction, the naturally anti-odor properties of the Alpine Onset Collection make them a great choice for multi-day trips, extended backcountry adventures, and activities where layering up without overheating is key to safety and success. The perfect Base Layer bottoms for cool-to-cold temperatures 47/47/6 merino wool/recycled polyester/elastane jersey Lightweight, breathable, moisture wicking and quick drying Wool also has natural anti-odor characteristics UPF 31 sun protection Flat seam construction 1 inch elastic waistband Gusseted crotch Order today!
