When working outdoors in the winter months, you need sufficient base layers to keep you optimally warm. At Build & Plumb, we have a wide range of mens base layers and long john sets specially designed to keep you well insulated and transport sweat away from your body while you’re working. Shop base layer tops and base layer bottoms in our range, including merino wool base layers and stretch fabric options that will keep you warm in the coldest conditions. Wear your base layers under our jumper and hoodies and coats and jackets for optimal warmth and comfort.