ちょうけいりょう
ultralight; ultralightweight
No-adjective
超軽量ちょうけいりょう新素材しんそざいの採用さいようにより、従来じゅうらいの約半分やくはんぶん（当社比とうしゃひ）という圧倒的あっとうてきな軽かるさを実現じつげん！
As a result of new ultra-light materials, our product now only weighs about half as much as before!