Joma R.Speed 917 Running Shoes have nylon and synthetic upper lace-up closure. Lightweight micro TPU on the sides and an external buttress to prevent deformation on the back. Includes a 360-degree system that improves the union between the sole and the instep EVA plus pre-molded insole adapts perfectly to the shape of the foot. The natural EVA insole is sewn to the upper using the Glove System technology for greater comfort. Comes in blue/black color. Size: E41.