Why are Men's Pants Sizes Different From Women's?

Men's pants are sizes by waist and inseam, while women's sizes simply start at 0 or even 00. Why the difference? And who's the victim of vanity sizing?

Reebok men's and women's size chart

How to Measure Your Inseam - Men & Women

Pants Size Conversion Charts + Sizing Guides for Men & Women

Measurements for Fitting Pants New Mexico State University - BE

How do women's pants sizes compare to men's? - Quora

Patagonia Size Chart

How to Measure Pants Size: 8 Steps (with Pictures) - wikiHow

Girls' Jeans Size

I wore men's pant size 36-38 and I'm short, what women's size

Size Charts Hip Pocket Workwear & Safety

How To Find A Pair Of Jeans That Fit Just Right