Thermals

2210gsm hollow-core fleece has an exceptional warmth-to-weight ratio, is soft, breathable, designed to minimize shedding, and made with recycled content Low-profile laminated pocket at thigh stows small essentials Patterned and...

Between growth spurts and back-to-back activities, tweens need a base layer that adapts just as fast as they do. The Evolver Crewneck is designed for the in-between years—with stretch, breathability,...

Somewhere between kid and teen, comfort gets complicated. The Evolver Base Layer Pant is built for this in-between stage—lightweight, stretchy, and durable enough to handle changing sizes, shifting temps, and...

Built to keep your blood pumping in sub-zero temps, the Men’s Vista Base Layer Crewneck is made of stretchy, breathable microfleece fabric that feels plush against the skin with every...

Crafted to keep you moving in sub-zero temps, the Men’s Vista Pant provides cozy all-day comfort in a stretchy, breathable form. Enjoy the feeling of plush microfleece fabric against your...

Turn Up Your Base Good base layers simply fade into the background while keeping you warm and dry. But feel free to sing the praises of the men's Burton Midweight...

Warmth starts at the core and getting the layering right is critical to a comfortableday outdoors and in the mountains. Our evolved layering system caters to differenttemperatures and different intensity...

Heavyweight, fleece backed, body hugging legging with natural wicking properties. CONTENT: 85% Nylon, 15% Elastane https://www.nils.us/fitting-room