"A derby (UK: /ˈdɑːrbi/ (listen) DAR-bee, US: /ˈdɜːrbi/ DUR-bee; also called gibson[citation needed]) is a style of boot or shoe characterized by quarters, with shoelace eyelets ...
[Read more]
that are sewn on top of the vamp. This construction method, also known as "open lacing", contrasts with that of the Oxford shoe.[citation needed]
In American English the derby shoe may be referred to as a ´blucher´, although technically the blucher is a different design of shoe where only eyelet tabs (not larger quarters) are sewn onto a single-piece vamp.
In modern colloquial English the derby shoe may be referred to as ´bucks´ when the upper is made of buckskin.[citation needed]" - (en.wikipedia.org 24.09.2021)