Features Include:Upper: High quality Micro PU one piece incorporates ONE PIECE technologyInner: made of full texon material and PVC up to the central area thus keeping the stud structure firm.Insole: Smooth EVA insole that contributes to the cushioning and absorbs the impact of the tread.Sole FG: Composed of 14 fine blocks placed according to the biomechanics of foot tread joined by a structure that reinforces them. The last is rounded to be integrated into the 360 degree system that makes the inner cavity of the boot equal to the anatomy of the foot.