The word caged generally describes women's footwear with uppers that feature an arrangement of crisscrossing straps that form a cage-like pattern.
About Strappy Sandals:
Strappy Sandals are sandals that are characterized by multiple straps covering the toe and/or heel. The straps on strappy sandals can be used to secure the shoe to the foot or some of them may be more for ornamentation.
