Viking Men's Professional Journeyman FR Surveyor Safety Vest - High Visibility Flame Retardant Ripstop Work Vest for Construction, Road Work & Utility Safety" （注：优化要点说明： 1. 保持核心关键词"FR Surveyor Safety Vest" 2. 将"Hi Vis"扩展为完整拼写"High Visibility"提升搜索匹配 3. 补充说明材质特性"Ripstop" 4. 增加使用场景"Construction, Road Work & Utility Safety"覆盖职业人群搜索意图 5. 符合Google SEO的标题长度标准（约60字符） 6. 所有中文已翻译为英文）

HEAVY DUTY fire resistant treated 300 Denier trilobal ripstop polyester fabric with PU backing provides superior abrasion, punctuation, rip, and snag resistance

FLAME RETARDANT safety vest for men and women tested in accordance with CAN/CGSB-4.2 No.27.10 & ASTM D6413 flame resistance standards, self-extinguishing for momentary contact with open flame

HIGH VISIBILITY orange high visibility vest fully compliant with CSA Z96-15 Class 2, Level 2 and ANSI/ISEA 107-2015 Type R, Class 2 standards

2-INCH VI-BRANCE dual chest straps in 4-inch contrasting tape, reflective vest meets WCB/Worksafe/DOT configuration

4 LARGE outer storage pockets with hook and loop fasteners, multi-pen/marker/chalk and small ruler pocket, and 11-inch larger ruler slot pocket

4 INNER storage pockets, cell/radio pouch pocket, and a safety D-ring access slot on back