kit

1961 18 Jan, Guardian (cited after OED):

Dudes! You simply have too much stuff in your kit! But don't sweat it, I can buy some stuff you don't need.

Always carry a good first-aid kit.

I built the entire car from a kit.

A sell-out crowd of 10,000 then observed perfectly a period of silence before the team revealed their black armbands, complete with stitched-in poppies, for the match. After Fifa’s about-turn, it must have been a frantic few days for the England kit manufacturer. The on-field challenge was altogether more straightforward.

Get your kit off and come to bed.

Do you know the proportion between ten and twelve or thirteen? — No; I should suppose you may take the whole kit of them as thirty; and the rest are people at from twenty to forty years of age.