Here's an oldie but goodie.  Black canvas insulated overalls with Velcro adjustable straps.  Yes, you read correctly!  On the back side base area for Velcro may need reinforcing, not sure. There's a hole about size of a quarter (coin based) on the front left and back right pocket.  Can be stitched, patched or left, up to you.  A pocket inside on right chest area with Velcro closure.  Elastic in back approx around waist area.  Both the bib and legs have a 2 way zipper and snaps.  Zippers are functional.  Black quilting for insulation from bib to bottom of legs.  Double knee. No stains.  Theses are in very good condition considering thec2 holes previously mentioned.  Size L.    Measurements provided.

from inside crotch to bottom leg 28"

from top of bib to bottom of leg 51" (not including straps)

from the top bottom rivet on front pockets 24"

from top of bib to inside crotch 24"