The Montane Men’s Dart XT Long Johns have been designed with high-alpine or expeditions in mind - a warm and reliable base layer as part of your winter layering system. Apex Thermo Eco fabric with a brushed back offers long-term comfort in colder conditions, whilst 4-way stretch allows for unrestricted dynamic movement, without compromising thermal efficiency. Polygiene permanent odour control treatment also ensures these men’s leggings stay fresher for longer, perfect for multi-day use. The Dart XT’s Long John’s are part of our popular Dart base layer range, which are made using recycled polyester. Whether ski touring in the Alps, or taking on an extreme mountain expedition - these thermal leggings will deliver essential warmth on a wide range of cold adventures.