For days when the weather is cool but the adventure calls, the Mammut Massone Light Long-Sleeve Shirt keeps us comfortable from the crag to the coffee shop. Its breathable blend of hemp, recycled polyester, and lyocell offers natural odor resistance and moisture-wicking performance, making it a versatile piece for climbing sessions, hikes, and everyday wear. Designed with movement in mind, this long sleeve features an underarm gusset for unrestricted motion, preventing it from riding up while we reach for the next hold or scramble up rocky trails. The contrast back seam adds a stylish touch, while the lightweight feel makes it easy to pack and layer. Whether we’re heading out for a day on the rocks or just embracing an active lifestyle, this long sleeve is built to keep up.
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Available Colors: Black
Size Reference for Mammut Long-Sleeve Shirt Black L
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