- the fabric is comfortable and no pilling, abrasion resistant, prevents electrostatic accumulation, eliminate or reduce electrostatic discharge hazard. - made by two different fabrics, the whole design and color assortment is more fashion and reasonable. - Double-use collar, stand or flip over. - Front closure with brass zipper and Velcro button. - For beautiful, add reflective tape and decorative flap on the chest. - Two chest pockets under decorative flap, and add oblique tool pocket on the left one, beautiful and practical. - Two double-use pockets under the chest pockets, one is zippered, closure with brass zipper, avoid the tools drop out, the other is slant open, more convenient to put and take the tools. - Zippered pocket and tool pocket on the sleeve. - Adjustable cuff with Velcro. - Two side hem elastic, dovetail type back. - use match color FR thread double sewing line. - Reinforced stitching at stress points for extra durability.