Details Warm and lightweight, The Specialized Prime Alpha Vest for Women is an easy layer to have on hand to block the chill. Polartec® Alpha® insulation keeps you warm when temperatures drop, while moisture-wicking shell fabric moves sweat away from your body as you start to heat up. The slightly stretchy build fits comfortably over a long sleeve jersey or jacket so you can wear this cycling vest ride after ride, all season long. The secret to suiting up for those cold-weather rides is versatility. Material 91% Nylon, 9% Spandex Front Shell 85% Nylon, 15% Spandex Back Shell 100% Polyester Lining Fit Regular Details Breathable shell fabric moves moisture from the insulation to the exterior to keep you dry throughout your ride Two back pockets help keep your ride essentials right where you want them Polartec® Alpha® insulation keeps you warm, dry, and comfortable Weight Lightweight Specialized Prime Alpha Vest Women's