Shrink still regularly used other material (10)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

WINCE (shrink), YET (still), oThEr. I knew of this soft cotton material as Mrs P (now 80) has sported nighties made of it for some years now, referred to as “my winceys”. Apparently winceyette ( used from 1922) is a diminutive of wincey, itself a material, but the etymlogy of wincey is unclear.