adidas Stabil Essence Indoor Court Shoes adiPRENE+ - for protection from harmful impact forces and great cushioning. adiTUFF - This is an abrasion resistant material in the toe-upper. This is where indoor court shoes seem to wear out quickest due to dragging of the feet. This increases durability. Torsion System - allows natural independant rear and forefoot movement whilst supporting the midfoot. adiPRENE under the heel - for superior cushioning at impact. Perforated upper - for reduced weight and added breathability, keeping your feet cool and free from sweat.