The fourth version of the Asics GT-1000 elevates the series to a new echelon of technical performance. With a fresh new upper, built with engineered mesh and minimal yet supportive overlay reinforcements.A secure fit at the heel is provided thanks to the Heel Clutching System, an updated technology which is designed to be firmer than previous generations to offer more support for the foot and to counteract any pronation. It does so by using an exoskeletal structure to wrap the heel for a stable and secure fit. A removable sockliner keeps the foot snug and provides additional stability, with the added benefit of being able to remove if required.Experience a more protective and cushioned ride that doesn’t compromise on support with the newly revamped Asics GT-1000 4The Asics GT-1000 4 boasts a midsole which benefits from a Rearfoot and Forefoot GEL Cushioning System to attenuate shock during impact and toe-off phases, allowing movement in multiple planes as the foot transitions through the gait cycle. The updated SpEVA 55 midsole material employs 55 degree SpEVA lasting material for a soft but stable platform that improves bounce back characteristics and decreases midsole breakdown for a more comfortable and durable ride underfoot.The Dynamic DuoMax support system is comprised of a dual density midsole, strategically positioned to enhance support and stability. A Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe for a lightweight ride underfoot. With 3M reflectivity, these shoes also provide improved visibility when running in low-light conditions.Finished using ASICS High Abrasion Rubber (AHAR) a carbon based rubber built for exceptional durability around the heel, whilst the forefoot boasts DuraSponge a blown abrasion-resistant rubber which adds flexibility, these Asics GT-1000 4 running shoes offer plenty of dependable cushioning and durability supplying a premium 5 star ride for the wearer.