noun which may take the genitive case particle 'no'
ultralight; ultralightweight
Describes something extremely light in weight, often used for materials, equipment, or vehicles.
この超軽量のジャケットは持ち運びに便利だ。
This ultralight jacket is convenient to carry around.
超軽量素材を使った
A new racket made of ultralightweight material has been released.