Danish brand GripGrab has four long sleeve base layers in its range, which now extends to the full gamut of cycling gear ...

Australian brand Maap’s range of technical long sleeved base layers includes this Thermal LS Tee and its Deep Winter Thermal ...

A thermal layer can come in a variety of forms, from a heavyweight half-zip shirt to a cushy microfleece pullover. This layer should be made of synthetic or wool fabrics (avoid cotton) to continue the ...

I grew up in the Northeast and am currently based in the Pacific Northwest—which means I’ve had my fair share of frigid, snowy winters, and practically live in thermal underwear for months. These base ...