This Black heavy weight Insulated FR Ripstop Waterproof Bibs is perfect for extreme conditions, with a -50 degree rating and durable, water proof, wind proof ripstop material. Stay warm and dry while on the job.

The matching jacket can be found here

FR-treated 300 denier rip stop polyester with PU coating
Heavy duty -50 degrees cold rating
heavy weight
250 gsm insulation
seam sealed waterproof and windproof
tape across back and chest, improving visibility.
Side entry pocket
two front slash pockets and two back patch pockets, Tool loop,
Heavy-duty adjustable elastic shoulder straps are riveted for
durability, Elastic back waist, Hip height side-leg zips, High
Contrast Reflective Tape for EnhancedVisibility and Compliance

This is a superior replacement for the Viking 3957FRP