Elizabethan Puffy Shorts?

Breeches, dear, breeches.
Also seen them referred to as "Dutch slops’ in reference to Cavalier-era clothing.
I can’t find the page on codpieces, however. I’m sure it’s out there somewhere.

The Auld Garb Monger’s Costumes for Manly Men

The Costume Page

You ought to be able to find more info on these pages.