This Sapphire boot is lightweight boot designed to fit the female foot. It features a slender, ultra strong fibreglass toecap and composite midsole which allows the foot the flex and move freely. The outsole complex is a nitrile rubber outsole which offers unbelievable abrasion resistance whilst providing exceptional shock absorption and weight reduction. All day comfort comes from an Activ-Step recycled footbed which is made from post consumer plastic bottles and foam. Offering best in class breathability, shape retention and arch cushioning.