antique/vintage 1920s-30s bathing suit with great looking natural wear/sun fading  likely originally men's, though functions as very unisex today. 

no labels but feels like a cotton or cotton wool? not itchy! comfortable, easy wearing. 

very good vintage condition with irregular sun fading as pictured/noted. 

chest 30-35”

hips up to 37”

length center back neckline to crotch/mid gusset 20.5”

length armpit to hem at side 20”