Thermal Baselayers

The phenomenal success of our Heat Holders® socks has led to the development of additional Heat Holders® products. Our Baselayers, available in various colors and sizes, will keep you warm on those cold winter days. Choose a style to buy now or narrow your selection to Men's or Women's styles.

Bluetooth Controlled Underwear Winter Thermal Baselayers with 30 Energy Magnets Th51006 - China Electric Heated Underwear and Battery Heated Underwear price

Kids Thermals & Baselayers

Thermal Seamless Base Layer Top - Black

Best Baselayers of 2024

Best cycling baselayers: Top recommendations for road and MTB

Patra silk thermals: As seen on the big screen?

Women's Baselayers, Thermal & Long Underwear by Patagonia

Thermal Base Layer Tee - MAAP Cycling Apparel

Houdini Ski & Thermal Baselayers