Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW002824 black diamond Heat transfer logo on left

Heat transfer logo on left chest and back-right shoulder

Thanks to the ingeniously simple combination of magnetic force and vacuum pressure

industry-leading storage capabilities

5 mm neoprene insulates against the cold and the closed-cell foam supplements the flotation of the child's life jacket

Intraknit Thermal Merino Base Layer 1/4 Zip (Men's) - SW002824 black diamond Heat transfer logo on leftNew 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