SmartWool Microweight Boxer Brief - Men's

Wool in the springtime? Yup, the Smartwool Men's Microweight Boxer is 100% merino wool. It might also be the most versatile pair of skivvies you'll ever have the privilege of pulling over your cheeks.

SmartWool Lightweight Bottom - Men's

For cold winter days and treks through alpine terrain, the Smartwool Men’s Lightweight Bottom is the intelligent way to start your layering system.

SmartWool Midweight 1/4-Zip Top - Long-Sleeve - Men's

When you head out for an epic powder day, three-pitch ice climb, or a backcountry snowshoe tour, the Smartwool Men’s Midweight ¼-Zip Top is the perfect way to start your layering.

SmartWool Midweight Bottom - Men's

Wear the SmartWool Men's Midweight Bottom for stop-and-go aerobic activities or as an insulating base layer.

SmartWool Midweight Crew Top - Long-Sleeve - Men's

Made from super-soft merino wool, the Smartwool Men’s Midweight Crew Top provides next-to-skin comfort and moisture management for cold winter pursuits like backcountry skiing and mountaineering.

SmartWool Lightweight 1/4-Zip Top - Long-Sleeve - Men's

The Smartwool Men’s Lightweight ¼-Zip Top is like the caped crusader of the baselayer world—at any time it’s ready to wick moisture, dry in a flash, and naturally fight odors thanks to its soft, stretchy merino wool construction.

SmartWool Midweight Boot Top Bottom - Men's

The SmartWool Men's Midweight Boot Top Bottom forges peace between your base layer, socks, and boots. End the bunch-up junk show and opt for these merino not-so-long johns.

SmartWool Microweight 1/4-Zip Top - Long-Sleeve - Men's

SmartWool Microweight Crew Shirt - Long-Sleeve - Men's

SmartWool Lightweight Crew Top - Long-Sleeve - Men's

SmartWool Sport NTS Bottom - Men's

With a contoured performance fit and light ribbed merino wool, the Smartwool Men’s Sport NTS Bottom works alone in mild conditions or as a technical baselayer when the mercury drops.

SmartWool Lightweight Boxer - Men's

Wear the SmartWool Men’s NTS Lightweight Boxers during your next backpacking trip or to the climbing crag. These NTS (next to skin) boxers feel soft and smooth.

SmartWool Microweight Zip T-Shirt - Long-Sleeve - Men's

Wear the SmartWool Men's Microweight Zip-T for stop-and-go aerobic activities or as a warm base layer.

SmartWool Microweight Crew Shirt - Long-Sleeve - Men's

Wear the SmartWool Men's Microweight Long-Sleeve Crew Shirt for cool- or warm-weather aerobic activities or as a next-to-skin base layer.