1. Material: polyester 2. Product features: reflective tape design/retractable design 3. Wind-blocking design, polar fleece lining, more warm 4. Water-repellent fabric, you are not afraid of rain or snow when you go out 5. Nylon zipper, easy to put on and take off 6. Triangular buckle, easy to fix and not easy to break away 7. D-ring, safer and more secure when traveling