small points, overall terrific
It's not bad as a stylized caricature, but for capturing the real-life essence, I'd recommend looking at archival footage. Flappers, though minimizing their bosoms, cropping close their hair, actually had in many instances, what we would consider today, a bit of pudge in their lower bodies, and even a little heft in their backs and shoulders. Women of the time had a different ideal to the form. Although many still wore the corseted affectations of the previous century, many also savored the Saftig curvatures and proportions that would be thought porcine, today. The suffragette movement brought about a physical liberation from tormenting over-idealization, which also was embodied in the flapper mentality of a woman having a right to pursue sexual and nighttime pleasures such as dancing, smoking, & drinking, while still being effeminate, even if the hair and accentuation ventured more towards the androgynous.