Leg Protection Garment in Accordance with ASTM F1897 Standard Specification for Leg Protection for Chainsaw Users ASTM F1897-2014 39JY And Leg Protective Device for Chainsaw Users in Accordance with the Standard for Leg Protective Device for Chainsaw Users CAN/BNQ 1923-450 M91 39JYCLASS B also Meets or Exceeds Part 8 of the WORKSAFEBC Standard. Leg Protection Garment Classified by UL Using ASTM Test Method F1414 in Accordance with ASTM Standard F1897. Meets OSHA Reg 1910.266 Leg Protection Standard for Chainsaw Operators.