Ergodyne GloWear 8346Z Class 3 Hi-Vis Surveyor Vest Type R 6 Pockets

The Ergodyne GloWear 8346Z Two-Tone Hi-Vis Surveyor Vest provides ANSI/ISEA 107 Type R, Class 3 high-visibility compliance in a utility vest design with six pockets for field personnel who need to carry tools, instruments, notebooks, and equipment while meeting Class 3 visibility requirements in traffic-exposed work environments. The 8346Z is Ergodyne's surveyor configuration in the Class 3 vest line — combining the maximum retroreflective material coverage of Class 3 with a six-pocket vest layout designed for field workers who need hands-free equipment carrying capacity that standard two-pocket Class 3 vests don't provide. Type R, Class 3 certification means the 8346Z meets the retroreflective material area and configuration requirements for roadway and traffic-exposed environments with vehicle speeds above 50 mph — the highest ANSI/ISEA 107 classification for standalone hi-vis vests, required by OSHA and MUTCD for workers in high-speed traffic zones. The two-tone design uses a lime yellow background with silver retroreflective striping arranged to meet Class 3 coverage geometry — horizontal bands across the torso and over the shoulders that provide the minimum 1,240 square inches of combined background and retroreflective material that Class 3 requires. The zipper front closure provides secure fastening that keeps the vest in position during active field work, preventing the vest from opening or shifting during bending, turning, and equipment use that would reduce the retroreflective stripe coverage from the driver's perspective. Six pockets give field teams the carrying capacity for the diverse equipment mix of survey and inspection work: tape measures, flagging, GPS handhelds, notebooks, pens, phones, and site documents that field personnel need accessible without a separate bag or tool belt.

Ergodyne GloWear 8346Z Hi-Vis Surveyor Vest Type R Class 3 — Key Features

• ANSI/ISEA 107 Type R, Class 3 — maximum hi-vis vest certification for high-speed traffic environments
• Six pockets — utility vest layout for field tool and equipment carrying capacity
• Two-tone design — lime yellow background with silver retroreflective striping for Class 3 coverage
• Zipper front closure — secure fastening for active field work
• Surveyor configuration — designed for survey crews, inspectors, and field personnel with equipment carrying needs

Specifications

Class 3 Surveyor Vest: Hi-Vis Compliance with Field Utility Capacity

Survey crews, construction inspectors, utility field teams, and transportation engineers who work on or adjacent to roadways with high vehicle speeds face two parallel requirements that standard two-pocket Class 3 vests address incompletely: the ANSI/ISEA 107 Class 3 visibility standard for their traffic exposure level, and the practical need to carry field instruments, data collection devices, documentation, and marking materials hands-free during the site work that requires their presence near traffic. Standard Class 3 vests meet the visibility requirement but typically provide only two chest pockets — adequate for phone and pen but insufficient for the equipment kit of active field personnel. The 8346Z addresses both requirements: Class 3 hi-vis certification in a six-pocket utility layout that gives field workers the carrying capacity to manage their full field equipment kit without a separate tool bag that would occupy a hand or inhibit movement. The six-pocket configuration distributes weight across the vest rather than concentrating it in two chest pockets, reducing the vest's tendency to pull forward under load — a comfort consideration that matters during full-day field work sessions where vest weight and balance affect endurance. The zipper closure secures the vest's position through the repetitive bending, pivoting, and reaching motions of survey and inspection fieldwork, maintaining the retroreflective stripe orientation that provides effective driver visibility from the approach direction. For field supervision teams, inspection crews, and survey parties that work in Class 3 traffic zones throughout the workday and need to carry the tools of their work, the 8346Z provides the appropriate visibility certification with the utility capacity that their work requires.

Compliance and Standards

• ANSI/ISEA 107 — Type R, Class 3 certified
• MUTCD — compliant for worker visibility in MUTCD-governed roadway work zones
• OSHA 29 CFR 1926.201 — high-visibility vest compliance for roadway construction

Real-World Benefits

Six-pocket utility layout provides field personnel with hands-free equipment carrying capacity at Class 3 visibility levels — survey crews, inspectors, and field engineers who need both traffic zone compliance and equipment-carrying capacity find the 8346Z eliminates the choice between a standard-pocket Class 3 vest and a tool-carrying vest that doesn't meet Class 3 requirements.

Class 3 certification supports compliance in high-speed traffic zones where Class 2 is insufficient — field teams working on highways, expressways, and high-speed arterials where OSHA, MUTCD, or project specifications require Class 3 meet the maximum vest visibility standard with the 8346Z without separate upgrading from Class 2 vests.

Applications and Use Cases

• Highway survey crews — Class 3 surveyor vest for high-speed roadway field teams — 8346Z for survey parties working on state highways and interstates where Class 3 is required and the six-pocket layout supports the survey equipment and documentation needs of active field operations
• Construction inspection — utility vest for site inspectors in Class 3 traffic zones — 8346Z for construction inspectors and engineers on active roadway construction projects who need Class 3 compliance and pocket capacity for inspection tools, phones, documents, and marking materials
• Utility field operations — surveyor vest for utility locating and field work on road corridors — 8346Z for utility field personnel who work along roadways and need Class 3 visibility with carrying capacity for locating equipment, notebooks, and site materials

Related Products

For GloWear 8330Z Class 3 two-tone standard vest with zipper, see Ergodyne GloWear 8330Z Vest. For GloWear 8315BA Class 3 breakaway vest, see Ergodyne GloWear 8315BA Breakaway Vest. Browse the complete High Visibility Safety Vests collection.

Frequently Asked Questions

What is the difference between Class 2 and Class 3 for roadway work vests?

ANSI/ISEA 107 Class 2 requires a minimum of 775 square inches of background material and a defined configuration of retroreflective striping — appropriate for work environments with vehicle speeds up to 50 mph and where workers can stop work and move away from traffic during vehicle passes. Class 3 requires 1,240 square inches of combined background and retroreflective material with additional coverage requirements including sleeve or shoulder band coverage, designed for environments with vehicle speeds above 50 mph and where workers must maintain their position during traffic passes. Most highway and expressway projects specify Class 3; local road and low-speed work zones typically specify Class 2. Consult the specific project's traffic control plan and applicable MUTCD or state DOT specifications to confirm the required class for your work zone.

How many pockets does the 8346Z have and how are they configured?

The GloWear 8346Z has six pockets in a surveyor vest configuration: typically two chest pockets, two lower front pockets, and additional side or back pockets for extended carrying capacity. The specific pocket layout provides access positions for different equipment types — chest pockets for frequently accessed items (phone, pen, notepad), lower pockets for bulkier items (flagging rolls, measuring tape), and supplemental pockets for additional equipment. Consult the current product specification for the exact pocket count and position configuration, as Ergodyne periodically updates pocket layouts in their surveyor vest models.