Smartwool Men's Intraknit Thermal Merino Base Layer 1/4 Zip

New to our innovative Intraknit™ line is the Men's Intraknit™ Thermal Merino Base Layer 1/4 Zip. This Smartwool® base layer is 3D-mapped for a near-custom fit and freedom of movement. Its engineered construction helps enhance your performance with a lighter weight and cleaner finish. If you're looking for base layer clothing for cold weather, this one uses Merino Sport yarn that combines the power and benefits of Merino wool with the durability and fast dry times of polyester—creating the ultimate performance-ready top for all of your high-energy activities.

• ABOUT THIS PRODUCT: Gear up for cold-weather training with our Men’s Intraknit Thermal Merino 1/4 Zip. This performance base layer is 3D-mapped for a body-hugging fit and maximum mobility. Made with Merino Sport yarn for moisture-wicking, odor resistance, and fast dry times, it’s built for high-output adventures in the cold.
• FEATURES: This slim-fit layer features Intraknit technology, which integrates insulation, articulation, and ventilation to support movement and comfort. Seamlessly knit mesh zones enhance breathability, while 3D mapping offers a near-custom fit. Finished with a functional 8.25" (21 cm) center-front zipper for easy layering.
• CARE INSTRUCTIONS: Machine wash cold on a gentle cycle with like colors to maintain vibrancy and fabric integrity.
• GO FAR, FEEL GOOD – SMARTWOOL EST. 1994: Born on the slopes of Colorado, Smartwool is driven by the belief that time outside is time well spent. We harness the natural performance of Merino wool to keep you comfortable, so you can go farther, feel better, and experience more—every step of the way.