70s "SUNDEK" ART DECO PATTERNED ORLON TANK TOP / SLEEVELESS JUMPER - S-M Polkadots but the bust is a

but the bust is a bit more generous in fit and would fit a Medium size

Soft light cotton

Thicker wool fabric

As for dating

Beautiful 50s day dress in crisp cotton with bands of green ivy leaves and small orange star/flowers

70s "SUNDEK" ART DECO PATTERNED ORLON TANK TOP / SLEEVELESS JUMPER - S-M Polkadots but the bust is aSmart little fitted 70s tank top sleeveless jumper by Sundek. Virgin orlon knit, very fine and soft, in a beige shade with intricate abstract patterning of Art Deco style shapes in shades of blue, rust red, black and peach. U neck and sleeveless fit with a wide ribbed hip waistband. SIZEThe jumper is labeled a size Small but I think this would suit a Medium best if you like a snug fit. For your best fit please refer to the measurements. Chest: 36"