The Caterpillar Essentials Shell Jacket is designed for everyday use. The jackets utilises Cats StormBlocker technology which bonds durable FlexShell fabric with an insulating microfleece liner using a waterproof, windproof, and breathable film. The jacket, with front zip includes an interior storm flap with chin guard to help keep the warmth in and wet weather out. This is further supported by the adjustable, hook and loop cuff closure. 3 external pockets, all with zip closing along with inside stash pocket means you can keep your valuables close at hand when at work. An extended back hem lets you move easily while maintaining comfort.