Men’s underwear is the first layer of comfort on any outdoor day, and when it fails, everything above it matters less. The men’s underwear range at Mountex is selected for hiking, trekking, travel, skiing and active everyday use, with breathable, supportive and quick-drying options designed to stay comfortable under movement, backpacks and changing temperatures. Technical fabrics help manage moisture better than ordinary cotton, while merino wool choices can add natural temperature regulation and odour resistance on longer trips. This category focuses on close-to-skin comfort for the lower body, making it distinct from baselayers, which are built as thermal performance layers. Whether you are packing for a multi-day route or upgrading everyday outdoor essentials, good underwear is where comfort starts.