1980s/90s Red Union Suit, The Northwestern Knitting Company by Munsingwear Size S/M Tall tan I couldn’t find any info

I couldn’t find any info on this triangle leather patch

75” (the shorts are 1

Brand - Alvin Duskin (label is missing but the RN on the care label matches)

Front Length - 17"

1980s/90s Red Union Suit, The Northwestern Knitting Company by Munsingwear Size S/M Tall tan I couldn’t find any infoDescription Classic red union suit that buttons up the front and on the bum Details Brand The Northwestern Knitting Company by Munsingwear Content 100% Cotton Size Labeled Large but approximately S M, as always check the measurements to insure fit Shoulders 16" across Chest 17. 5" pit to pit (will stretch up to 21"0 Sleeves 25. 5" from shoulder seams Waist approx 18" across Hips approx 20" across (will stretch to 25") Inseam 32" Thigh 11. 75" across