The Mountain Warehouse Men's Merino Thermal Pants with Fly are perfect for outdoor activities like walking and hiking. Made from breathable and moisture-wicking merino wool, these leggings provide warmth and comfort during cold weather conditions. The lightweight design and quick-dry features make them ideal for active adventures, while the elastic waistband ensures a comfortable fit. With antibacterial properties and a compression area for the legs, these long johns are a must-have for any winter sports enthusiast. Available in multiple sizes and colours, these pants are machine washable for easy care.