UPPER Perspair® fabric is made to achieve aesthetically and functionally different areas within the same upper. By using different types of yarns in various colors or characteristics and properties, in this case PU Tek for abrasion resistance. 45% of the upper is recycled. The toe cap and heel protection rubber has 20% recycled from production waste. LACING Light cord metal system that evenly spreads the pressure. The upper is easily secured, avoiding pressure points. Laces are made of 100% recycled polyester.INSOLE The Eva material of the midsole is 45% recycled. SOLE Dynamis LB Sole in Vibram® Lite Base Technology reduces 30% of the overall sole weight through a reduction of the sole thickness by 50%, while maintaining Vibram quality in grip, traction and durability.