De or het skiuitrusting?

The correct Dutch article is:

de skiuitrusting

Rule Words ending in -ing: almost always de. See the rule

How to use skiuitrusting

the skiuitrustingde skiuitrusting
this skiuitrustingdeze skiuitrusting
that skiuitrustingdie skiuitrusting
our skiuitrustingonze skiuitrusting
your skiuitrustingjouw skiuitrusting
every skiuitrustingelke skiuitrusting
which skiuitrusting?welke skiuitrusting?
a big skiuitrusting / the big skiuitrustingeen grote skiuitrusting, de grote skiuitrusting