Hi Vis Reflective Black Mesh Vest - Breathable Security Safety Vest with Pockets and Zipper for Traffic Security Work，Heavy Duty Vest Made with ANSI/ISEA Standards Reflective Tape,XL, Black,

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>What kind safety vest is required by OSHA?For daytime work, the safety vest, shirt, or jacket shall be Black, yellow, strong yellow green or fluorescent versions of these colors. For nighttime work, similar outside garments shall be retro reflective. Should a safety vest be tight or loose? Your safety vest should fit you fairly snugly. You want a vest that gives you room to move, but if you have a vest that is too loose and flaps around, you run the risk of it catching in equipment around you.Please be aware that regular clothing sizes do not matter when selecting a new vest. Follow the instructions below to find the size that fits you best.First, measure around the fullest part of your chest. If you plan on wearing the vest over light clothing such as a t-shirt: Please order the size that corresponds to your chest size from the chart below. If you plan on wearing the vest over heavier clothing such as a jacket or a coat: Does safety vest color matter? Green safety vests are often used by surveyors and landscapers. Blue safety vests are usually worn by police officers and security guards. Red safety vests are typically worn by firefighters and other emergency responders. Purple safety vests are often used by hazardous materials teams.