Some of the costumes were ok.
Cyclops could still be wearing his Jim Lee look today if it had evolved with the times. Losing the trunks, making the boots actually look like boots and the rest of the costume less like painted skin and more like clothes.
Storm and Rogue were good.
Archangel was garish
Gambit was good, but I would prefer a muted purple to hot pink.
Colossus needs pants.
Psylocke's costume is lingerie.
Magneto's Marvel now and All New All Different costumes are better.
Beast is a tech guy...most of those characters carry more with them than a speedo.