Men Monk Strap Shoes, Handmade Single Strap Leather Suede Formal Tuxedo wedding 

Material Leather and Suede

interior Soft leather Lining

Sole One peace leather sole

Monk straps are shoes that fasten with straps across the top, instead of laces.

They have can have any number of straps: one is common and two is fashion-forward, any more is a bit excessive