Men's Base Layer Tops
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Still looking? Check out the items in our outlet.
Save an extra 10% on Outlet.
Still looking? Check out all items in our Black Friday Sale.
Elevate your outdoor performance with Mammut's Base Layer collection.
Engineered to be the foundation of your layering system, these essential garments offer unparalleled comfort and functionality in any environment.
Our range features a variety of materials and weights to suit diverse needs. Luxurious merino wool options provide natural temperature regulation and odor resistance, perfect for extended wear. Lightweight synthetic blends offer superior moisture-wicking properties, ideal for high-intensity activities. For colder conditions, our insulated base layers deliver exceptional warmth without bulk.
Mammut's attention to detail shines through in every piece, with ergonomic designs that move with your body and flat seams to prevent chafing. Whether you're scaling peaks, carving down slopes, or embarking on a multi-day trek, our base layers keep you dry, comfortable, and focused on the adventure ahead.
Experience the Mammut difference – where cutting-edge technology meets Swiss precision in every stitch of our base layer collection. Explore our wide range of tops now and find the perfect fit for your adventures!