English to Czech Tech/Engineering Textiles / Clothing / Fashion Shoes

Mili kolegove,
potrebovala bych poradit s terminem eyestay, je to cast (hlavne) sportovni boty okolo direk na tkanicky (viz obrazek), nevite prosim nekdo, jak se tomuto dilu rika? Nemuzu to nikde najit.

Predem dekuji za pomoc.
http://blog.rooy.com/2015/10/learn-the-anatomy-of-a-shoe/