Diamond High Visibility Neon Yellow Zipper Front Safety Vest with Reflective Strips - Meets ANSI/ISEA Standards, Size Medium HIGH VISIBILTY: fluorescent yellow safety vest keeps you safe and reduces risks of accident for construction, surveyors, roadside emergency, bicycling and many more applications REFLECTIVE STRIPS: 2 vertical and 2 horizontal reflective strips with 2" width on both front and back for maximum visibility in all weather and light conditions MAXIMUM BREATHABLILITY: lightweight and comfortable 100% polyester with mesh fabric for cool in the summer QUICK EASY ZIPPER: front zipper closure design for easy on and off ANSI/ ISEA 107-2010 (former edition 107-2004) Class 2 standard of high-visibility safety apparel