ASICS GEL-FORTE Running Shoes (2E WIDTH) I.G.S - The Impact Guidance System is an ASICS designed philosophy that employs linked componentry to enhance the foot's natural gait from heel to toe-off. Rearfoot & Forefoot GEL Cushioning System - Visible Rearfoot 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. Full-length Guidance Line - Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency. Guidance Trusstic - This trusstic system integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity for a more consistent and directional ride underfoot. Dynamic DuoMax - Consists of two different density midsole materials designed to provide smooth overpronation control.