Breathable Insulation for High-Output Missions

The Arc'teryx W's Proton Hoody is engineered for dynamic movement in cool conditions, offering a perfect balance of warmth and breathability. Designed for active pursuits like touring, climbing, and alpine travel, it uses air-permeable insulation to regulate temperature while you move.

Its durable, weather-resistant outer fabric protects against light wind and moisture, while the articulated fit ensures unrestricted mobility. Whether worn as a midlayer or standalone piece, the Proton Hoody delivers consistent comfort and performance in changing mountain conditions.

Key Features:

• Breathable Insulation: Allows excess heat and moisture to escape during high-output activities.
• Lightweight Warmth: Provides efficient insulation without adding bulk.
• Durable Outer Fabric: Resists abrasion and sheds light wind and moisture.
• Articulated Fit: Enhances mobility for climbing, skiing, and active movement.
• Versatile Layering: Functions as both a midlayer and outer layer depending on conditions.
• All-Mountain Ready: Ideal for touring, alpine missions, and cold-weather training.