We took our popular Classic All-Season Merino Base Layer and added a 1/4 zip to it—making it the perfect base layer for warm or cold weather. This base layer is comfortable, powerful, sustainable, and, frankly, do-it-all-able.
The Smartwool Classic All Season 3/4 Bottom is an ultra-lightweight base layer is perfect for year-round layering, whether you're taking on the Nordic trails or heading out for a cooler-weather hike, and comfortable enough to wear all day.
A year-round favorite, our Classic All-Season Merino Base Layer Bottoms work hard to keep you comfortable everywhere, from the ski lifts to the campsite. This gear is built for four seasons of adventure.
Spring skiing or summer camping? The Classic All-Season Merino Base Layer Long Sleeve is game for either. Select colorways feature a more responsible plant-based-dye technique. No matter the season or the activity, this base layer is made for it.
We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. Made to help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.
Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort.
We've updated our Men's Merino 250 Base Layers Bottom to bring you better fitting, more functional tights. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer.
Whether you're working up a sweat or simply looking to stay warm and comfortable, our Women's Classic Thermal Merino Base Layer Bottom Plus is up for the challenge. 100% Merino wool fabric enhances comfort and breathability while staying odor resistant.
You'll never want to take off the Women's Classic Thermal Merino Base Layer Crew. This 100% Merino wool base layer made with interlock knit for enhanced comfort, breathability, and odor resistance will not disappoint.
Explore smarter, not harder, in the Men's Smartloft Jacket. Made with wind-resistant nylon and DWR for ultimate protection on the outside and Merino lining for enhanced comfort and odor management on the inside.
