The 6 Best Base Layers in 2024 – Long-Sleeve Running​ Shirts

Staying comfortable while running in the cold is all about layering. These are the best base layers from Patagonia, Smartwool, and more.

8 Best Base Layers of 2024 (Tested and Reviewed)

Best Base Layers of 2024 – iRunFar

Treeline Men's Base Layer Long Sleeve

Layer Up: 10 Cool-Weather-Tested Long-Sleeve Running Shirts, by Brynn Cunningham

Best Base Layers for Women of 2024 – iRunFar

12 Best Thermal Underwear 2024 - Forbes Vetted

The Best Men's Base Layers of 2024

Best base layers 2023: Berghaus to Under Armour

Best Baselayers of 2024

How to Dress in Layers for Cold Weather

8 Best Base Layers of 2024 (Tested and Reviewed)