L.E.D Flashing Reflective Safety Vest for Cycling, Running, Jogging or Walking &ndash; Men&rsquo;s Remove battery before washing. Machine wash gentle or hand wash only, air dry only. 3 LED Flashing Modes - on(solid), slow, fast. White LED light in the front and Red LED light in the back. USB rechargeable lithium battery. Illumination & Fluorescence - Helps makes drivers more attentive to your presence. Lightweight and Comfortable - Made from 100% polyester, this vest also provides protection from the wind and is water resistant. Rear zipper pocket for storage of wallet, ID, cash, credit cards and/or smaller sized cell phone 4.7 inches or less. Wear it most of the year - Summer, Spring & Fall. Can be easily worn over a long/short sleeve jersey. Sizes - Euro sizes from small to XXL. For USA sizes we recommend you order one size above your normal size, for example if you normally wear a medium order a large.