Some dress shirts commonly have holes, which are pockets. The pockets are just a apart of the shirt for stylish accent.
Button holes
The holes may be button holes, air holes, or holes caused by damage to the shirt.
Simply 'Thumb Holes'.
Not all dress shirts come with holes for studs. Dress shirts designed for formal occasions, particularly those intended to be worn with tuxedos, may feature holes for studs, which are used to attach detachable collars or to fasten the front placket. However, many standard dress shirts are designed for regular use and do not include these features. Always check the specific shirt's design if you're looking for stud compatibility.
button holes arm holes head holes
sleve holes
The proper way to check shirts for holes is to lay it out flat by a light. The light could be the sun, a lamp, or even a flashlight. Then you inspect the shirt using the light.
Opening shirts and blouses is typically carried out to the front. Shirts and blouses are usually fastened with buttons or hook-and-eye closure.
you can get some denim type shirts with these pockets. Usually these shirts will be a dime a dozen in any clothing store.
I think it's called a watch cuff
Because it has lots of little holes in it so the air can get in and cool them down.