Smartwool Men's Merino 150 Base Layer Long Sleeve — Tools and Toys

Thin, breathable, form-fitting, and sun-protecting — in other words, a solid base layer choice for most guys and weather conditions.

Men's Merino 150 Base Layer Short Sleeve, Smartwool®

Merino 260 Tech Long Sleeve Half Zip Thermal Top - Icebreaker (CA)

Smartwool Merino Sport Ultralite Long Sleeve Men's - Trailhead Paddle Shack

Smartwool Classic Thermal Merino Base Layer Crew Plus Boxed - Women's

Smartwool Merino 150 Base Layer Long Sleeve Crew - Men's

We took our popular Merino 150 Base layer and added a 1/4 zip to it—making it the perfect base layer for warm or cold weather. This top uses our

Smartwool Men's Merino 150 Baselayer 1/4 Zip

Base Layer Tops - Base Layers - Men

Smartwool® Men's Merino 150 Base Layer Long-Sleeve Top

Smartwool® Men's Merino 150 Base Layer Long-Sleeve Top

Men's Merino 150 Base Layer Long Sleeve, Smartwool®

Smartwool Merino 250 Baselayer Crew Women's – Trailhead Kingston

and other great merino base layers and apparel from Smartwool for hiking, skiing, running, and backpacking at .

Classic All-Season Merino Base Layer Long Sleeve - Women's