What is this leg accessory that Noelle wears?


In _Black Clover: Quartet Knight_ , Noelle wears an accessory on her legs.

![Image of Noelle](https://i.stack.imgur.com/RI48Cm.jpg)

What is that clothing thing on her legs called?




Aren't those just called [leg
warmers](https://en.wikipedia.org/wiki/Leg_warmer)? Other characters like
Hinamori Amu (Shugo Chara), Kagamine Rin and Len (Vocaloid), and Rock Lee
(Naruto) are known to wear them.

