Proton Lightweight Hoody Women's

Lightweight, Air-Permeable Hoody for High-Output Mountain Use.

The Arc'teryx Proton Lightweight Hoody is a breathable, insulated midlayer built for dynamic alpine pursuits. Fortius™ Air softshell fabric offers durability, stretch, and weather resistance, while Coreloft™ insulation stays warm when wet and dries quickly. A Permeair™ lining enhances airflow for comfort on the move. The trim, articulated fit layers easily under a shell, with features like a helmet-compatible insulated hood, stretch-knit cuffs, No Slip Zip™, and three zippered pockets for secure storage. Designed for fast-paced climbing, skiing, and alpine missions.