Green’s Dictionary of Slang

textile n.

[the opposite of a SE naturist]

a person who wears clothes.

[UK]Guardian G2 21 July 4: The nudists should be banished to separate beaches, the exhibitionists and the voyeurs should join them, and the ‘textiles’ – those who prefer trunks and bikinis – should be left to enjoy their holidays in peace.
[UK]Indep. 21 Mar. 21: On our ‘local’ naturist beach, the landowners [...] are systematically attempting to corral naturists into an even smaller area of the beach and dunes, while encouraging more and more ‘textiles.’.
[UK]J. Meades Empty Wigs (t/s) 779: [P]sychopath nudists peeping out from behind trees... stalking us decent ordinary folk... the ones they sneer down as ‘textiles’.

In compounds

textile tourist (n.)

one who frequents nudist beaches but does not strip off.

[UK]Guardian Travel 3 June 4: It is positively frowned upon to remain a ‘textile tourist.’.