Windows10 icon themes in xfce zorin consume high ram

I like windows 10 icon theme in zorin lite , so i have tried theme icon name monday, it's good , but i notice pc consuming high ram reach to 44% , the other or default icon themes pc consume 22%.
can any one recommend good icon theme(windows10 icon theme) work good in xfce?

Try these packs

thanks, I think that work good without consuming high ram