Smartwool Classic All-Season Merino Base Layer Bottom

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated fit to improve functionality while enhancing aesthetics, these bottoms stay durable while 100% Merino next to skin keeps you comfy and ready for more action. This gear is built for four seasons of adventure.

Why We Like It

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the campsite. Merino helps regulate temperature and moisture without requiring a bulky layer. With an updated fit to improve functionality while enhancing aesthetics, these bottoms stay durable while 100% Merino next to skin keeps you comfy and ready for more action.

The Lab Fit Tip

Wear the Classic All-Season Merino Base Layer Bottom close to the skin without folds under boots or outerwear. Add warmth with a midlayer rather than oversizing the base layer and reducing moisture transfer.