Smartwool Men’s Classic All-Season Merino Base Layer Bottom Black S

Smartwool Men’s Classic All-Season Merino Base Layer Bottom is designed to provide natural comfort, temperature regulation, and reliable performance throughout the year. Built as a thermal base layer bottom, it offers a functional fit suitable for outdoor activities and everyday cold-weather wear.

Made from merino wool fabric, this base layer delivers breathable warmth while helping regulate body temperature in both cool and mild conditions. The moisture-managing properties of merino wool support comfort during active use, making it suitable for all-season layering. The classic design allows for easy pairing with outer layers.

With smooth construction and a flexible fit, these men’s merino base layer bottoms allow natural movement without restriction. Ideal for hiking, outdoor training, travel, and everyday wear, they provide a dependable thermal layer for year-round performance.