Chic gray bomber jacket by Madewell. Features a sleek design. Ideal for layerin It's a versatile knit garment that can be worn as an outer layer in autumn or as a mid-layer in winter. It often features a high collar and a full (sometimes double) front zipper closure, allowing for easy temperature regulation. Material: This type of jacket is usually made of wool or wool blends, sometimes with a Milano knit fabric, which gives it a defined texture and helps it hold its shape. Design: The jacket pictured has a minimalist design with a mandarin collar, turn-up cuffs, and side pockets. The zipper is metal.