Men's Mammut jacket is the perfect choice for outdoor activities in the mountains! This extremely lightweight jacket features Windstopper Active Shell technology, offering maximum breathability, wind protection, and abrasion resistance. With underarm zippers for additional ventilation, the Light Shell jacket prevents unpleasant odors. Ideal for trail running, Nordic walking, and climbing. - Extremely breathable - Weight: 330 g. Material: 100% polyester outer layer; Membrane: 100% polytetrafluoroethylene; Lining: 100% polyester; Stretch fabric: 85% polyamide, 15% elastane. Please feel free to ask any questions.