ASICS GEL-SUPREME Cross Training Shoes Rearfoot & Forefoot GEL - The ASICS GEL system is based on a special kind of silicon that enables optimal shock absorption. GEL units are strategically placed in the midsole and designed to enable specific functions and positions. DuoMax Support system - A proprietary ASICS system that consists of two different density midsole materials and designed to provide guidance and control to prevent overpronation. Trusstic System - A plastic bridge located under the arch which gives the shoe strength and stability without loss of flexibility. AHAR+ (ASICS High Abrasive Rubber) - This is a thinner and lighter version of ASICS High Abrasion Rubber. It is placed on heavy contact areas of the outsole to reduce excessive wear. California Slip Lasting - This upper is stitched around the EVA board and directly attached to the midsole for better stability and ultimate comfort.