ultra-soft recycled wool blend. Stay cozy on your next coffee run in these thermal leggings. The fleece-lined, water-resistant material is perfect for a snow day, and the side pocket for your ...

These base layers prevent sweat buildup and protect against the cold, whether you’re working outside or hitting the slopes.

Long johns, base layers, skivvies—there are many names for thermal underwear ... opt for a blend. Though it’s the most expensive, merino wool is considered the best base layer for its natural ...