What does Silhouette mean?
Describes a garment’s shape, such as bootleg, relaxed, low rise, slim, etc.
Heddels explains Silhouette
The silhouette of a pair of jeans determines how they will appear on one’s body. Different characteristics that affect the silhouette include the hem length, tightness, pockets, shape from the knee down, and rise of the jeans.
Levi’s super skinny fit silhouette: