Available here from Frankie Collective is a pair of Deadstock Baby Phat Zipper Denim Pants in sizes W28, W29, W30, and W31. The Y2K era Baby Phat mid/low-rise jeans are in excellent condition, complete with the original tags still attached.

Measurements

W28 (Fits XS)
Tag Size: 1
Waist: 28"
Outseam: 38"
Inseam: 30"
Condition: Good vintage condition

W29 (Fits S) 
Tag Size: 3
Waist: 29"
Outseam: 38"
Inseam: 30"
Condition: Good vintage condition, minor stain on knee

W30 (Fits M) 
Tag Size: 5 
Waist: 30"
Outseam: 38.5"
Inseam: 30.5"
Condition: Good vintage condition

W31 (Fits L) 
Tag Size: 7 
Waist: 31"
Outseam: 38.5"
Inseam: 30.5"
Condition: Good vintage condition