To manufacture this seat, we use an high quality double-tanned leather (chrome and naturel) that will get a certain patina over the time, depending on how you care after it. The foams are isolated from the leather cover by a plastic cover so it remains waterproof. 

It offers slightly better comfort than your original one.

Depending on the weather conditions of your country, an intensive exposure to the sunlight and rain will lead it to get a patina. It requires to be regularly maintain using leather cream and grease.