Synopsis The top condom brand worldwide. Durex has been the top condom brand in the world for more than 80 years. Quality of Durex Condoms. Not only do Durex condoms fulfill international quality standards, they surpass them. Simple-On. specifically designed to be more comfortable to wear and easier to put on. Sensi-fit condom. The purpose of Durex Sensi-Fit condoms is to provide a stronger feeling precisely where you need it. Better-smelling. Our condoms smell better because of the unique method we use to make them.