1940s WWII 1st Pattern M-1938 US Army HBT One-Piece Suit/Coverall (38-40 Reg) For Sale

1940s WWII 1st Pattern M-1938 US Army HBT One-Piece Suit/Coverall (38-40 Reg -- SEE MEASUREMENTS)
Authentic original WWII-era U.S. Army Herringbone Twill (HBT) (Suit, Working, One-Piece, HBT)coveralls/jumpsuitproduced roughly between 1941 and early 1943.Classic olive drab (OD) cotton HBT fabric with 18 iconic13-star metal buttons. These were widely issued to mechanics, tank crews,ordnance personnel, and other troops during World War II.
These one-piece HBT coveralls (both early and late patterns) were primarily designed and issued for:

• Mechanics (vehicle, aircraft, ordnance) to protect regular uniforms from grease, oil, and dirt.
• Tank/armored vehicle crews (tankers); worn over the service uniform for the same protection, plus better mobility when climbing in/out of hatches and reduced risk of snagging on equipment.
• Also used by other personnel (lineman, etc.) and saw use by paratroopers and rangers during early-war training and operations.

First Pattern Features:

• 18 Original 13-star metal buttons throughout*
• Built-in cloth waist belt with metal buckle
• Button-adjustable cuffs and ankles (designed to tightly seal the garment against wind, grease, moving tank parts, or chemical threats)
• Chest pen/pencil pocket (meant to hold grease pencils or drafting instruments for engineers and motor pool mechanics)
• Two chest pockets (often with different openings or flap configurations)
• Classic one-piece construction withfull front closure and bi-swing back
• Side-entry hip pockets.
• Small watch or coin pocket.
• Tool/wrench/ruler pocket on the right leg.

* The 1943 redesign reduced the number of metal buttons and changed theirplacement so none touched the skin (a response to complaints about burns).

• Measurements (laid flat – approximate(~)):
• Pit to pit:~22.5"
• Length (nap collar to leg bottom: ~62"
• Shoulder to shoulder:~19"
• Shoulder to cuff: ~23"
• Across waist (belt area):~17.75"
• Shoulder to waist:~18"
• Collar (middle top) to opening:~9"

A solid, honest example of genuine WWII U.S. Army workwear history. Perfect for collectors, reenactors, or anyone who appreciates authentic 1940s military clothing.

Please look at all photos carefully and message me with any questions before buying. Happy to provide additional pictures if needed.

Thanks for looking!

DISCLAIMER: I did a lot of research on this. Please let me know if there is anything wrong with what I found.