Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip 2026 Charcoal Heather Size:L featuring advanced construction elements like

featuring advanced construction elements like the META Core™ for enhanced performance

and outerwear

and the streamlined nose gives the outline a contemporary vibe

Lightweight and highly-breathable stretch GORE-TEX fabric for accessing remote reaches in deep conditions

Frame height: 100mm

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip 2026 Charcoal Heather Size:L featuring advanced construction elements likeConstructed from 100% responsibly sourced Merino wool, the Smartwool Mens Classic Thermal Merino Base Layer 1 4 Zip provides heavyweight warmth while naturally regulating temperature and managing moisture. Its interlock knit delivers soft, durable performance for cold weather skiing, hiking, or running. The slim fit tracks the body for efficient layering, and strategically placed flatlock seams with offset shoulders reduce chafing during movement. A