ANSI/ISEA 107-15 CLASS 3 TYPE P & R – Meets visibility standards and requirements for those working in dangerous settings where visibility is the highest priority, including EMS, construction & traffic control. COOLING COMFORT – Vest is made of tricot polyester interlock. It's highly breathable, durable and keeps you comfortable on the job. TOTAL 4 POCKETS – Vest has 4 sealed pockets, 2 chest and 2 waist, offering several compartments for keeping your valuables and tools secure. HIGH VISIBILITY & FUNCTION - Other features include StarTech reflective tape which provides excellent visibility, zipper closure, radiophone clip strands and D-ring access slot. Since 1887, Pioneer has grown a reputation for designing and building the highest-quality and most innovative protective and safety apparel. Using only the best and safest materials, componentry, and advanced sewing methods, Pioneer continues to deliver on safety, durability, comfort and value for the professional worker. Pioneer offers a complete selection of safety clothing including Hi-Vis gear, flame resistant wear, rainwear and much more. All our products are independently tested to meet and exceed all stated safety standards.