This men's bodywarmer from JACK & JONES ESSENTIALS is made of polyester. This model has a stand-up collar and a zip closure. Details of this bodywarmer: 2 welt pockets. Warm & Lightweight Padding: This sleeveless jacket is crafted with high-quality, insulated padding that provides essential warmth without adding unnecessary bulk. Sleeveless Design for Layering: The gilet-style bodywarmer offers freedom of movement and makes it easy to layer over t-shirts, hoodies, or sweaters. Full Zip Closure: Designed with a sturdy full-length front zipper, the jacket ensures easy wear and removal. High Neck Collar: The high neck design offers extra protection against wind and cold, helping to retain body heat around the neck and chest area. Available Sizes (S to 2XL): The jacket is offered in sizes ranging from Small to 2XL, providing a comfortable and tailored fit for different body types.