Description - 70s black twill weave short sleeve jumpsuit. It has a high rise and flare legs. It buttons up the front except for a snap at the waistband. 

Details

Brand - Unknown, no labels

Content - I think it's polyester

Size - approximately a modern Small (4/6) but please check all measurements to ensure fit 

Shoulders - 15" across

Chest - 17.5" pit to pit 

Sleeves -9.25" from shoulder seam

Waist -14.25" across

Hips - approximately 18.75" across

Rise - 13"

Inseam - 29"

Outseam - 42"

Thigh - 11.75" across

Leg Opening - 12.75"

Shoulder to Hem - 56" (15.75" to top of waistband)

Shoulder to Crotch - 29.75"

Condition - I don't see any holes or stains