Large: Pit to pit measures 23 inch Medium 22 inch. The A3 Alpha Sweater is designed for active use in cold climates, and can be worn as a mid or outer layer. Polartec® Alpha® Insulation transfers moisture away from the body to keep you dry and warm, while the DWR treated nylon ripstop shell protects you from wind and rain.
Light, highly compressible, breathable and fast drying, the A3 Alpha Sweater is an essential part of any layering system. Breathable, Water & Wind Resistant. Lightweight, stowable hood with adjustments.