Lightweight insulation for the best balance of warmth and flexibility. Stretch side panels increase movement, and an angled zippered chest pocket provides added security. Reflective branding also ensures visibility. Even when you're not on the job site, you'll want to wear this vest. 100% Rip-Stop Nylon Fabric 2 Zippered Side Pockets, 1 Zippered Chest Pocket No Water Resistance Slim Fit Full-Length Front Zip Lightweight with Insulation