Arc'teryx Isojacke Proton

The Proton insulation jacket from Arc'teryx is a highly developed insulating jacket specifically designed for climbers and mountain sports enthusiasts. It offers an excellent combination of breathability and warmth, making it ideal for intense activities in the mountains. The jacket is equipped with 80 g/m² Coreloft™ Compact insulation, which, combined with a breathable outer and inner material, ensures optimal temperature regulation and moisture control. The Fortius Air 20 nylon outer material is not only lightweight but also durable, making the jacket a reliable companion in challenging environments. The ergonomic cut provides maximum freedom of movement, while the insulated hood offers additional protection and warmth. With its new PFAS-free DWR coating and recycled materials, the Proton insulation jacket also emphasizes sustainability.

• 80 g/m² Coreloft™ Compact insulation for effective temperature regulation
• Fortius™ Air 20 outer material with 42% recycled nylon
• Breathable Toray lining promotes air exchange
• Two hand pockets and a stretchable zippered chest pocket
• Helmet-compatible hood with 60 g/m² PrimaLoft® insulation for extra warmth.