Baselayers

Cozy Meets Adventure in Every Stitch 100% ultra-soft, responsibly sourced Merino wool Relaxed fit with flatlock seams to prevent chafing Eye-catch...

Stay Cozy and Fresh in Cold Conditions High-Performance Warmth: Made with Polartec® Power Grid® fabric for warmth, breathability, and moisture-wi...

Embrace Winter with Cozy Confidence 100% Merino Wool: Enjoy the natural warmth, breathability, and odor resistance of this soft, high-quality ...

Stay Warm, Stay Adventurous with Smartwool's Women's Classic Thermal Merino Base Layer Bottom! 100% Merino Wool: Soft, breathable, and naturally r...

Adventure-Ready Warmth for Every Winter Journey 100% responsibly sourced Merino wool for warmth and breathability Updated fit with shoulder panels...

Stay Warm and Stylish on Every Winter Adventure 100% Merino Wool: Soft, cozy, and naturally breathable for all-day comfort. No More Chafing: Sho...

Stay Warm, Move Freely—Wherever Adventure Takes You 100% Merino wool for natural warmth and breathability Flatlock seams and offset shoulder desig...

Stay Warm, Go Further: The Ultimate Merino Base Layer 100% Merino wool for maximum warmth, breathability, and odor resistance Improved fit with a ...

Stay Warm and Comfortable in the Coldest Conditions Slim Fit Design: Tailored to fit the body's contours for a sleek, modern look. Moisture-Wick...