LIFALOFT™ insulation by Primaloft®

Precise and efficient

"Open the door to winter in style

heated men's gloves

and because the whole idea is to keep your vision clear

Smartwool W Classic Thermal Merino Base Layer Crew Size:XL LIFALOFT™ insulation by Primaloft®Meet the new and improved W Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction help prevent chafing and increase your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you