Vest Run is the perfect running vest for cold temperatures. It feels almost weightless, even with insulating padding at the front. The padding consists of a mixture of merino wool and recycled polyester to provide great heat protection in areas exposed to the cold. The vest has several reflective panels at front and back, providing maximum visibility in the dark. They are not visible in daylight, but are highly visible when you need them. The vest's back pocket has two functions. You either use it to keep your belongings in during your run, or you can turn the vest into the pocket to save space. The front zipper zips right up to the neck with comfortable chin protection. Laser-cut holes at the top of the back provide good ventilation.