Qhia peb cov kev hloov pauv 40's Paj Rwb Spandex ib lub tsho npuag, uas sib txuas lub zog ntawm 93% paj rwb thiab 7% spandex los tsim cov khoom muaj zog tshaj plaws, ruaj khov tshaj plaws hauv nws chav kawm. Cov ntaub yog tsim los ntawm cov xov paj zoo tshaj plaws rau kev ua haujlwm zoo thiab ua haujlwm ntev.
Ib qho ntawm cov yam ntxwv zoo ntawm peb cov ntaub yog nws txoj kev ncab zoo kawg. Lub dav dav ntawm spandex yog sib xyaw ua ke los muab kev yooj yim tshaj plaws thiab kev nplij siab, ua rau nws zoo tagnrho rau ntau yam kev siv. Txawm hais tias nws yog khaub ncaws txhua hnub, khaub ncaws ncaws pob lossis lwm yam khaub ncaws, peb cov ntaub ua kom haum zoo txhua lub sijhawm.