karate - 7 Halloween Costume Ideas
Karate costumes center on the gi and belt, Johnny Lawrence's Cobra Kai black-and-yellow uniform, Ryu's classic white Street Fighter gi, Master Splinter's more elaborate rat-sensei take. Belt color and uniform trim are what separate one character from another here.
A plain white or black gi covers most of this tag on its own, the character-specific detail is almost always in the belt color, headband, or a small logo patch.
No, any gi-style top and pants work, the belt color is what actually signals the character.
Master Splinter, his look adds a full rat prosthetic or mask on top of the uniform.
For a generic karate look yes, for a specific character you'll want the right belt color and any signature headband or patch.