Trouserette

Dr. Anna Shaw, president of the National Woman Suffrage association, while distinctly against the trouserette proposition, did not go so far as to prefer the hobble skirt.

Source: wiktionary

Mrs. John E. Boldt, a New York suffragette, wearing the corsetless trouserette costume which she advocates for women

Source: wiktionary

“What we need to break the shackles and free these slaves of fashion is a leader,” remarked Mrs. Boldt, attired in her corset-less trouserette costume.

Source: wiktionary

Though the world does not entirely acknowledge the safety and usefulness of the trouserette, the majority of the American women do, and so, in many a kitchen, home and home garden, the trouserette has found its way and is doing its bit toward helping woman do hers.[…]In no sense need the trouserette resemble a uniform for it allows of as much individuality as would be found in a woman’s frocks.

Source: wiktionary