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Stay warm and dry during cold-weather activities with the Smartwool Classic Thermal Merino Base Bottom. Made from premium merino wool, these base layer bottoms provide excellent insulation, moisture-wicking, and odor resistance for all-day comfort. Designed with a snug fit and flatlock seams, they reduce chafing while allowing full range of motion. Whether you’re hitting the slopes, hiking, or layering for everyday wear, these bottoms deliver reliable warmth without bulk.
