Smartwool Classic Thermal Merino Base Layer 3/4 Bottoms - Men's

For a premium base layer that will keep you going in the coldest of conditions, try the Smartwool Classic Thermal Merino Base Layer 3/4 Bottoms. These long johns feature a form-fitting cut that can be worn during your favorite workouts in addition to under your ski pants, and feature a boot-top length for a no-bunch fit.