The latest Yonex shoe like the F1LTD marketed as the lightest shoes in the market.
It is a trendsetter, imho is a good direction.
There's always an interplay between cushioning and lightness.
Lightness for less fatigue and increase speed in the explosive first step, especially in competitions.
Cushioning for comfort and protection of joints and perhaps durability.
Fortunately, this new shoe has both in very good balance.