Amazon offers Prime members the Caterpillar Men's 5-Point Breakaway Safety Vest in Hi-Vis Orange or Hi-Vis Yellow for $7.36 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $5.48.) That's the lowest total price we could find for a similar vest elsewhere by $3. It's available in sizes M/L or XL/XXL.