280 gsm ThermoMAXX[R] insulation provides warmth up to -50°C/-60°F. Anti-Puncture Pocket (APP) technology with reinforced stitching to prevent sharp objects from puncturing through. Fully compliant with CSA Z96-15 class 1, Level 2. Fully compliant with ANSI-ISEA 107-2015 Type O, Class 1, not FR. 2" Vibrance[R] reflective material in 4" contrasting tape meets MCB/Worksafe/DOT configuration.