De or het wintersportmode?

The correct Dutch article is:

de wintersportmode

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

How to use wintersportmode

the wintersportmodede wintersportmode
this wintersportmodedeze wintersportmode
that wintersportmodedie wintersportmode
our wintersportmodeonze wintersportmode
your wintersportmodejouw wintersportmode
every wintersportmodeelke wintersportmode
which wintersportmode?welke wintersportmode?
a big wintersportmode / the big wintersportmodeeen grote wintersportmode, de grote wintersportmode