Smartwool Mens Intraknit Active LS Base Layer Top headsets and retains critical loft of

and retains critical loft of the 700-fill-power-down insulation

moisture-wicking bliss

or weekend adventures

Whether you're hiking through mountain trails or exploring a new city

Smartwool Mens Intraknit Active LS Base Layer Top headsets and retains critical loft ofIntroducing the Men's Intraknit Active Base Layer Crew from Smartwool your new secret weapon for staying comfortable during outdoor adventures. This innovative base layer is engineered with Intraknit Active Merino technology, strategically placing mesh ventilation zones for optimal breathability where you need it most. Whether you're hitting the trails or pushing through that morning workout, the moisture wicking merino wool blend moves with your body