Fabric content unknown, but would guess nylon
Kimono sleeves
V-neck/surplice neckline
Snap front and hook & eye closure at waist
Front invisible plastic zipper on front of pants
Elastic waistband – elastic still has good stretch
Wide legs
Original belt still attached
This may have once been considered at-home wear, but I think in the 21st century you could get away with wearing this out, and no one would bat an eye!