Patagonia M's R1 Vest

The Patagonia Polartec® Power Grid® Half-Zip Vest is an ultralight performance layer designed to deliver targeted warmth and exceptional breathability during high-output activities. Constructed with Polartec® Power Grid® fleece and hybridized with Capilene® Thermal Weight fabric, it provides warmth across the chest and shoulders while maximizing airflow through the back and side panels. HeiQ® Pure odor control keeps the vest fresh, and its slim, low-bulk design layers comfortably under shells or packs. A zippered chest pocket offers secure storage, making this technical vest ideal for hiking, climbing, trail running, and alpine adventures.