Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Boxed men's baselayers Polartec® Thermal Pro fleece

Polartec® Thermal Pro fleece

which minimizes odours and maximizes comfort and has a UPF rating 30+

it keeps you warm and comfortable

Highly breathable

Its high-quality construction and zip-up design provide warmth and a timeless style that can be incorporated into any look

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Boxed men's baselayers Polartec® Thermal Pro fleeceThis 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