Your baselayer is the foundation of everything you wear in the outdoors. Get it right and you stay comfortable across a wide range of conditions. Get it wrong and no amount of insulation above it will save you. The baselayers at Mountex are selected from brands with proven expertise in thermal regulation — merino wool options for natural warmth and odour resistance, and technical synthetics for high-output activities where fast moisture transfer is critical. The first decision in your layering system — and one of the most important.