Thermals

Base Fabric: 88% Polyester, 12%Elastane 2-way Stretch Jersey KnitSecondary Fabric: 100% Polyester100wt FleeceFit: Regular Size Guide

Whether worn as a winter base layer, or a cool-weather pant, the UltraGear Bottom has the versatility to handle any adventure. We created it with elastane and double-knit fleece keeps...

Our most versatile year-round fabric features a nylon core for durability, while keeping soft 100% Merino wool next to skin. Spring skiing or summer camping? The year-round Men's Classic All-Season...

We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and...

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your...

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder...

Made with 100% Merino wool for natural sweat management, odor-resistance, and temperature regulation. Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's...

When you're looking for the comfort and benefits of Merino without adding extra fabric in your ski boots, our Women's Classic Thermal Merino Base Layer 3/4 Bottom is the perfect...