When unpredictable weather hits on the crag during summer and spring climbs, the Alpha 60 Vest is the just-in-case insulating yet lightweight layer you want to have in your pack. Engineered to be incredibly air permeable, Pertex® Quantum Air fabric with 4-way stretch strikes the sought-after balance of wind resistance and breathability, so you can regulate your body heat and stay comfortable. An adjustable hood and durable water-repellent (DWR) finish add extra protection against light rain and snow. Polartec® Alpha® insulation keeps you warm whether you're on the move or waiting for the next one. Zippered handwarmer pockets and a zippered chest pocket provide key storage.