Built for cold-weather layering, the Mountain Warehouse Men’s Merino Wool Thermal Base Layers Set includes a matching top and bottoms in a 70% merino wool and 30% polyester blend. The plain design keeps the look clean, while the lightweight construction supports comfortable wear under outer layers. Breathable and isotherm, this set also uses anti-bacterial and odour control fabric technology to help maintain freshness during use. The bottoms are finished with an elasticated waistline for a secure fit. Key features Material composition: 70% merino wool, 30% polyester Set contents: 1 top and 1 bottoms Plain design Anti-bacterial fabric technology Breathable construction Isotherm fabric technology Lightweight feel Odour control fabric technology Please note: Colours shown are as accurate as possible, though may vary slightly depending on your screen settings.