evo.com | Arc'teryx Down Jackets > The Arc'teryx Alpha Parka transforms frigid belays into manageable waits with its technical combination of RDS-certified 850-fill goose down and strategically mapped synthetic insulation that maintains warmth even in moisture-prone areas. Featuring revolutionary Hadron(R) face fabric with liquid crystal polymer ripstop grid bonded to GORE-TEX INFINIUM(TM), this winter climbing masterpiece delivers exceptional wind protection and durability that rivals materials twice its weight. 850-Fill European Grey Goose Down Delivers exceptional warmth for its weight and is RDS (responsible Down Standard) certified. Regular Fit Arc'teryx classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably over or under our layers. Helmet Compatible StormHood(TM) Provides full coverage without impacting visibility. Internal Chest Pocket N30r 2L GORE-TEX INFINIUM(TM) | Women's Arc'teryx Alpha Parka Jacket 2025 - Small Black