Mammut Technical Button Down Shirt Mens XL Black Performance Stretch Breathable Mammut technical performance shirt offers a sleek, functional design for outdoor enthusiasts. This short-sleeve top features a hidden button-down front for a clean aesthetic, complemented by breathable laser-cut perforation panels on the shoulders and back to ensure optimal airflow during high-intensity activities. The chest includes a bonded zippered pocket for secure storage, while the Irwin Guides logo embroidery adds a professional touch to this high-quality Swiss-designed piece. Brand: Mammut Type: Technical Button Down Material: Performance Synthetic Features: Laser-cut ventilation, hidden placket, bonded chest pocket Design: Irwin Guides embroidered logo Fit: Regular Color: Black Measurements: • Pit to Pit: 23" (46" total) • Length: 30.5" Keywords: Gorpcore, technical, hiking, outdoors, mountaineering, performance, breathable, minimalist, utility, alpine, trekking, activewear #Athleisure