There are two different styles
✔mesh safety vest
✔knit safety vest
Both knit safety vest and mesh safety vest have good breathability. Sweat dries quickly on the vest.
In hot summer, the mesh style will be more breathable
Share from safety vest buyer's online customized pictures：
link:
https://safetycustom.com/products/reflective-safety-vest-breathable-mesh-material-class-2-safety-vests-ansi-with-5-pockets-zipper-high-visibility