Antique knicker pants for a young boy

Old, unworn stock from Barnhart
These are a black and white woven fabric, unlabeled, but feels like linen
They have both belt loops and interior suspender buttons
Deep pockets, the back pockets are still stitched closed
Small watch pocket at waist
Banded at the hem with decorative buckle

Labeled a size 10
Waist: 24 inches
Rise: 10 inches
Inseam: 15 inches
Hem band: 12 inches