What was Christian Dior’s early design theme that the world found shocking, yet it became trendy?

The “New Look” was based on a fitted, peplum jacket matched with a calf-length skirt, which was shocking in 1947 because WWII, marked with rationing of most supplies, including fabric for clothes, had just ended. Dior “New Look” clothes highlighted the female silhouette, a trend that helped Paris become the fashion capital.