Smartwool Men’s Classic Thermal Merino Base Layer 1/4 Zip men’s thermal long sleeved t-shirt* Base Layers

The Smartwool Men’s Classic Thermal Merino Base Layer 1/4 Zip is a thermal top, a base layer with a 1/4 zip designed to enhance functionality and style. This garment, one of the brand’s heaviest and most effective base layer tops for combating cold, is made from 100% sustainably sourced Merino wool. It features shoulder panels and flatlock seam construction to minimize chafing, ensuring maximum comfort and thermoregulation during skiing, running, hiking, and other high-intensity physical activities.