A comfortable and practical safety vest can be seen from a long distance. Does not restrict your movement during sports performance. Vest material polyester/PVC/neoprene. Thanks to the adjustable straps, the harness is suitable for outdoor enthusiasts of many sizes. There are 4 white LED lights on the front panel of the vest, and 4 red ones on the back panel. Thanks to the red rear lights, the reflective vest also works excellently, for example, when cycling. The lights have 2 functions to choose from: flashing or constantly on. Replaceable Lithium batteries in waterproof pockets. 3M Scotchlite™ reflectors front and back.