Quantum Masks

The Quantum Masks are a group of masks that first appeared in Crash Bandicoot 4: It's About Time. Throughout the game, Crash and Coco can use their powers to avoid obstacles and cross specific areas. These powers range from manipulating gravity to slowing down time. Whenever Crash or Coco use their powers, their outfits change to match the corresponding Quantum Mask.

Kupuna-Wa
Kupuna-Wa is the mask of Time. With her, Crash and Coco can slow down time, which makes it easier to jump across fast-moving platforms and avoid fast enemies.

Ika-Ika
Ika-Ika is the mask of Gravity. Using his power, Crash and Coco can flip the direction of gravity as long as they're standing on the floor (or under a ceiling).

Trivia

 * The Time Mask Kupuna-Wa (though she is gray instead of gold) can be seen in the PlayStation "It's Time To Play" commercial released months before the game's official reveal.