Engineered jacquard mesh upper: Creates a softer feel against the foot while improving breathability AMPLIFOAM PLUS cushioning: Helps to improve durability creates a softer and more comfortable feel at footstrike Rearfoot GEL technology: Improves impact absorption and creates a softer feeling at footstrike OrthoLite sockliner: Provides soft step-in comfort GUIDANCE LINE technology: Provides a more consistent stride. Colour: blue