PIONEER Surveyor's/Supervisor's Safety Vests. Tough 10 oz (350 GSM) cotton duck. CSA Z96-15 Class 1 Level 2. ANSI/ISEA 107-15 Class 1 Type O. StarTech reflective tape. Radiophone pocket on chest. 10 storage pockets. 5 pen/marker slots. Back ruler slot. 2 large back pack pockets. 2 radiophone clip straps. D ring access slot.