Jacquard mesh upper: Offers a supportive and comfortable foothold 3D GUIDANCE SYSTEM helps provide advanced stability for a smoother stride: Rearfoot PureGEL technology: Helps provide lightweight cushioning and softer landings FF BLAST PLUS cushioning: This material helps provide lightweight impact absorption and a responsive rebound OrthoLite X-30 sockliner: Helps provides soft step-in comfort. Colour: black