The Proton Hoodie from Arc'teryx balances high-output temperature regulation with sleek streetwear design using a weather-repellent DWR finish and soft Toray lining. Functional details like zippered pockets, a No Slip Zip front, and stretch knit cuffs make it an essential midlayer.

• Durable, breathable Fortius™ Air 20 nylon plain weave is lightweight, air-permeable, and made with 42% recycled nylon.
• FC0 DWR (Durable Water Repellent) finish repels moisture |Air permeable 80gsm PrimaLoft® Gold insulation regulates temperature, performs if wet, and is made from 100% recycled materials.
• Breathable 20d plain weave Toray liner helps regulate temperature and is made with recycled content.
• 60gsm PrimaLoft® insulated helmet-compatible hood provides additional warmth.
• Zippered hand pockets, stretch chest pocket secure small essentials.
• No Slip Zip™ on main prevents inadvertent opening.
• Knit cuff holds sleeve in place, layers comfortable under a shell.
• Dual hem adjustments seal out drafts.
• Fitted, with articulated patterning for mobility, comfort, and easy layering.
• Style #: X000008436014