Product Details + Ultra-Cool 100% Polyester mesh back and sides with lightweight solid frontZipper front closure2" wide CNSS reflective materialReflective trim around arms and piping down sides for added low light visibilityWaist cinches to ensure a perfect fitTwo hidden lower outside slash pockets with zipper closuresInside ergonomically positioned lower left radio pocket with flapANSI/ISEA 107 Class 2 CompliantVendor Style Number: 1521