Mammut is a is a Swiss outdoor clothing brand. The label established over 150 years ago and creates apparel for alpine, climbing and winter sports. Find preowned Mammut clothing on Depop. Shop secondhand performance clothes designed to take on the elements for a range of activities. Discover used items including base layers, caps, beanies and gloves. Explore the footwear collection of mountaineering and hiking styles. Search for equipment like ropes, backpacks, sleeping bags, chalk bags harnesses and more online now.