Arc'teryx Men's Proton Hoody

Engineered for high-intensity mountain pursuits, the Proton Hoody is the ultimate breathable insulation layer. Designed to balance thermal efficiency with air permeability, it regulates your body temperature and manages moisture build-up so you stay comfortable—whether you're on a cold ascent or an alpine push. Built with an updated Fortius™ Air 20 shell and Coreloft™ Compact insulation, it offers lightweight warmth, weather resistance, and unrestricted mobility.

Key Features

Ultrabreathable Thermal Regulation: 80gsm Coreloft™ Compact insulation combines with an air-permeable liner and face fabric to prevent overheating during heavy exertion.

Durable Fortius™ Air 20 Shell: Made with 42% recycled nylon, providing lightweight durability with an updated PFAS-free DWR (Durable Water Repellent) finish.

Articulated Patterning: Complex 3D patterning removes restriction, giving you full freedom of movement while climbing or scrambling.

Helmet-Compatible Hood: Insulated hood extends coverage and fits seamlessly over ski or climbing helmets.

Fair Trade Certified™: Made in a Fair Trade Certified facility to support worker well-being.

Product Specifications