NWT Serra Stone washed midrise shorts size 10 with 2% Spandex cuffed up

These are brand new great fitting they say size 10 but I would say they could fit a 78 because of the spandex they are 30 inches on the waist they could go from 28 to 31 with the spandex the length of the shorts from the backside is 12 inches from the crotch in the front is 10 inches in the back is 12