Designed for high-output mountain adventures, the Arc'teryx Proton Hoody is a versatile and breathable insulation layer. The Fortius Air 20 nylon shell and PrimaLoft Gold Active Vent insulation work together to regulate temperature and moisture, while the helmet-compatible hood provides added warmth. Updated with eco-friendly materials, this hoody is perfect for climbers and outdoor enthusiasts alike.
Materials
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