• Soft&Noiseless: The collar and both sides of the vest are made of polyester ammonia cotton like fleece, which is very soft, and will not make your neck feel foreign matters, and will not make noise
• Warm: The vest is filled with cotton, which is very light and warm, and is suitable for the temperature of 20 F - 60 F
• Water-Resistant: The front and back of the vest are made of 100% nylon, which can avoid dew intrusion when you run in the morning
• Zip pockets: Two zipper pockets to prevent valuables from falling during outdoor activities such as hiking
• Scene: It can be used as a coat with a sweater and sweater inside,or a long sleeve when running. If the weather is too cold, it can also be used as an inside coat with another coat outside