Short (25" inseam) fits women under 5'. Petite (27"/29" inseam) fits women 5'-5'4". Regular (31" inseam) fits women 5'5"-5'7". Long (33" inseam) fits women 5'7"-5'9". Tall (35" inseam) fits women 5'9"-6'. Extra Tall (37" inseam) fits women 6' and above