New with tags, only opened for photography. Never tried on. I bought it two months ago to use for badminton, but I didn't end up using it. Equipped with heat capsule technology that warms up with infrared rays. This is a charging system that converts sunlight and infrared rays emitted from the human body into heat, trapping the heat within the fibers. Material: 100% polyester Specifications: Heat capsule, antistatic, reflective, water repellent, short zipper Colors: (007) Black, (011) White Country of origin: Vietnam Thank you for looking.