January 27, 2026
The best base layers for staying warm while you shovel snow, hunt or work outdoors
There’s no excuse not to go outside with these warming, sweat-wicking base layers from Carhartt, Eddie Bauer and more.
TL;DR
- Fruit of the Loom offers a no-frills thermal underwear set made from a soft, thermal knit fabric that traps heat and wicks sweat.
- Thermajohn's fleece-lined thermal underwear provides excellent warmth and breathability, ideal for active use.
- Eddie Bauer offers options like a stretchy polyester blend crew neck for women and Ascent tights with UPF 50+ protection.
- Carhartt's midweight base layer bottoms are designed to trap heat, wick sweat, and prevent odors, suitable for heavy-duty activities.
- L.L. Bean provides a redesigned heavyweight base layer hoodie with soft fabric and a built-in gaiter, as well as midweight women's pants.
- Smartwool's Intraknit hoodie, made from merino wool, is designed for extreme cold with ventilation zones and a close fit.
- Under Armour's HeatGear leggings are lightweight yet effective for cold weather, featuring mesh panels and quick-drying, sweat-wicking fabric.