evo.com | Smartwool Long Underwear Bottoms > For a premium base layer that will keep you cozy in the coldest of conditions, try the Smartwool Classic Thermal Merino Base Layer 3/4 Bottoms. These tights 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. 100% Merino Wool Made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance. Natural Fit Natural Fit sits slightly below the natural waist line, approximately 1 inch below the belly button. Flatlock Seam Construction Designed to Eliminate Chafing Wide Self Fabric Covered Elastic Waistband for Comfort and Flattering Fit Machine Wash Cold Gentle Cycle | Women's Smartwool Classic Thermal Base Layer 3/4 Bottoms 2026 - Small Black