Castaway Nantucket Island Gnome Embroidered Harbor Chino Pant Navy size 36

Castaway Nantucket Island Gnome Embroidered Harbor Pant Navy size 36 Tag says 36 XUF - I could not find what this means on their size chart 32” inseam Stretch twill Harbor pant with embroidered Christmas/holiday gnomes Plain front Straight leg Sits at natural waist Button closure and zip fly Welt back pockets, left with button closure, right open Condition: Like new, no signs of wear, no flaws Measurements: Waist flat - 19” Rise 12.5” Inseam - 32” Leg opening - 8.5” Cotton / Elastane