This is a windbreaker known as product number 1103175. Features of the O.D. Parka: Material: Made of thin fabric. Many products are 100% nylon. Water Repellency: The surface is treated with "Polkatex processing," which is resistant to performance degradation even after washing, boasting high water repellency. Design: The collar has a core material, making the neckline look neat. It features a soft, cotton-like texture and a moderately relaxed design.