Puma RS is a unique technology that was first released in 1986. The goal of the technology is to provide runners with the best cushion on any and all surfaces. They were successful in reaching this goal as the RS technology is still extremely popular today, with all users raving about the comfortable experience they have while wearing the shoe.
Midsole - Polyurethane foam - is one of the best thermal insulators, is lightweight, tough and windproof.
Sole - Rubber - a material that is very easy to maintain and you will appreciate it especially in rainy weather.