As far as supermodels, why is the height range is from 5'8" to ~6 ft tall???

I can recall several women who either model now or did it in the past and they are:
1) Elle MacPherson @ 6' (1.83 m) aka The Body
2) Adriana Karembeu @ 6' 0¾" (1.85 m) Slovakian fashion model/TV hostess
3) Penny Lancaster @ 6' 1" (1.85 m) English model married to Rod Stewart
4) Kimora Lee (formerly Kimora Lee Simmons) @ 6' (1.83 m) currently president of Baby Phat
5) Brooke Shields @ 6' (1.83 m)
6) Natalia Mesa Bush @… Continue

1) Supermodels, who have to be 5'8" to 6 ft tall, show off clothes during fashion shows however, the clothes they fashion aren't designed for tall women but the short to average height female. Thus leaving anyone over the average height having to go to speciality stores or online for clothes & footwear. I'd like to hear your thought on this?

2) What has the better clothing & footwear for men & women considered to be tall by USA height standards, the speciality stores i.e. Big… Continue