10 best men's thermal base layers and trousers, from Mountain Warehouse and Patagonia to Kathmandu

Whatever time of year it is, packing the right gear on your outdoor adventures will make the whole experience more enjoyable. These base layers are essential

Best Baselayers of 2024

Men's Baselayers, Thermal & Long Underwear by Patagonia

Mountain Warehouse: Men

Men's Base Layer Bottoms & Thermal Underwear

The 5 Best Base Layers of 2024

The 5 Best Base Layers of 2024

Merino Mens Base Layer Top Multipack

The 5 Best Base Layers of 2024

The 5 Best Long Underwear of 2024