noun
karate uniform; karate gi
Refers specifically to the uniform worn for karate practice or competition.
新しい空手着を買った。
I bought a new karate uniform.
試合の前に空手着をきちんと着る。
I put on my karate gi properly before the match.
道着 is a general term for martial arts uniforms, while 空手着 specifically refers to a karate uniform.
Compound of 空手 (karate) and 着 (clothing, wear).