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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.The Mens Classic Thermal Merino Base Layer 1/4 Zip is a refined essential built for warmth, comfort, and performance in cold conditions. As one of the warmest base layers in the Smartwool lineup, its made from 100% responsibly sourced Merino wool that naturally regulates temperature, manages moisture, and resists odor, keeping you dry and comfortable during any cold-weather activity.
The slim fit follows the contours of your body for easy layering, while flatlock seams and offset shoulder panels reduce chafing under packs or outer layers. The interlock knit construction adds durability and softness, and a 10″ (25 cm) center-front zipper provides easy ventilation when you need to cool down.
Perfect for skiing, hiking, or everyday winter wear, this base layer delivers reliable warmth and comfort whether youre on the mountain or on the move.
Features:
Slim fit designed to follow the bodys natural shape
100% Merino wool with interlock knit for superior warmth and breathability
Naturally moisture-wicking, temperature-regulating, and odor-resistant
Flatlock seams and offset shoulders minimize rubbing and discomfort
Side seams wrap forward for a more ergonomic fit
Center-front zipper (size M): 10″ (25 cm)
Fabric: 100% Merino Wool
Warm, breathable, and built to move with you, the Mens Classic Thermal Merino Base Layer 1/4 Zip is your trusted companion for layering up on cold adventures.
