Originally Posted by
Bah Humbug
Which would make spandex a superset of lycra, which would, in turn, make unionmade wrong...
No, Lycra is a subset of spandex: Brand names for spandex include
Lycra (made by Koch subsidiary Invista, previously a part of DuPont), Elaspan (also Invista), Acepora (Taekwang), Creora
... (with thanks to Wikipedia).