composite toe boots are good because they are just as strong as steal toe boots and they don't get freezing in the winter time when you're doing tree work
Okay, a bore cut is used on a tree with a heavy lean. You'll need to fell the tree in the direction of the lean, and you use a bore cut to prevent the tree from barber chairing. That's why you'd use a bore cut. You wouldn't use it in every application because, as a general rule, you want to avoid using the tip of the bar to make cuts. Since, you have to use the tip of the bar to make a bore cut, you would want to limit its use to avoid kickback.
Chaps are only required when cutting on the ground. They are not required when aloft (either in a tree or in a bucket), and they are flat out not to be worn when feeding the chipper. Only when using a chainsaw on the ground. Period.