Nouns ending in -ment are masculine.
The suffix often marks an action or result derived from a verb.
J'achète habituellement mes vêtements au grand magasin.
I usually buy my clothes at the department store.
Tes chaussures ne vont pas avec ce vêtement.
Your shoes do not go with the suit.
Ces personnes âgées fabriquent des vêtements pour hommes.
Those old people manufacture men's clothes.
FrenchTextbook teaches rules like this, in a full beginner course.
162 lessons, 4,000+ exercises, and 6+ hours of audio.
Try the first lesson free