P.H.F. (PERSONAL HEEL FIT) - Memory foam lining the heel collar and tongue creating a personalised fit around the ankle. DUOMAX SUPPORT SYSTEM - Dual density midsole material positioned sport specifically which enhances support and stability. REARFOOT AND FOREFOOT GEL CUSHIONING SYSTEMS - Silicone-based material placed in critical areas of the sole which dampens shock when the foot hits the ground allowing for a smooth movement through the step and reducing the risk of injury. TRUSSTIC SYSTEM - Plastic bridge under the arch which gives the shoe strength and stability without loss of flexibility. AHAR (ASICS HIGH ABRASION RESISTANT RUBBER) - Tough material placed in critical areas of the shoe for exceptional durability. SOLYTE MIDSOLE MATERIAL - Spongy layer between the sole and upper designed to absorb shock and cushion the foot. Solyte is a lighter material than SpEVA and EVA and features enhanced durability. REMOVABLE SOCKLINER - Insole placed inside the shoe for added comfort which can be removed to accommodate a medical orthotic.