Arc'Teyx Women's Proton Hybrid Hoody Brand_Line most ventilated and comfortable women's-specific

most ventilated and comfortable women's-specific pack ever made for traditional backpacking trips lasting a weekend or more

Efficient to use:

A classic sweatshirt silhouette updated with modern femme touches

it enhances performance by providing good edge grip and smooth ski-to-snow contact

Arc'Teyx Women's Proton Hybrid Hoody Brand_Line most ventilated and comfortable women's-specificBreathable backcountry insulation with GORE TEX INFINIUM wind protection. The backcountry demands balance insulation to offset the cold, air permeability to prevent overheating, protection from wind, and freedom to move across demanding terrain. Combining all of these elements, the Proton Hybrid delivers optimal thermal comfort and the freedom of stretch uptrack to descent. Coreloft Compact insulates, the Fortius Air 50 outer allows airflow, and GORE