Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Boxed Color:Deep Navy Functional underarm gusset for optimum

Functional underarm gusset for optimum freedom of movement

If the weather happens to turn

this tee combines comfort and style effortlessly

And the tradition lives on with the Hiker

UV UPF50 protection and ultralight weight

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Boxed Color:Deep Navy Functional underarm gusset for optimumThis enhanced Men's Classic Thermal Merino Base Layer 1 4 Zip features an improved fit for superior functionality and style. Crafted from 100% responsibly sourced Merino wool, it offers exceptional warmth as one of the heaviest base layers available. Designed with shoulder panels and flatlock seams, it reduces chafing and maintains comfort during intense activities like skiing, hiking, and running. Its advanced temperature regulation keeps you dry and