Component Shoe

A footwear comprising a sole and an upper, wherein the sole comprises a bottom surface, suitable for contacting the ground during use, and a sidewall that extends from the bottom surface and is placed at the outer periphery of the sole, wherein the upper is removable attachable and/or attached to the sole whereby obtaining the footwear, wherein said footwear comprises an attachment system suitable to removably attach the upper to the sole, wherein said attachment system comprises a plurality of lugs, placed in the sole and extending outwardly from the sidewall, and a plurality of holes, placed in the upper, wherein the holes are suitable during use to be over and engage with the plurality of lugs, wherein the upper has a flat configuration, suitable, when attached to the sole, to at least substantially wrap the foot of the user.