Engineered mesh upper: A mesh material that reduces the need for additional overlays FF BLAST cushioning: Midsole foam that provides a blend of cloud-like cushioning and a responsive ride Rearfoot GEL technology: Shock-attenuating material placed in the midsole of the shoe for cushioning and shock absorption AHARPLUS heel plug rubber: ASICS' pinnacle high abrasion resistant rubber located in the heel area that is approximately three times more durable than standard outsole rubbers The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology. The GEL-PULSE 17 (Wide) shoe is designed to provide the comfort you need for runs, the gym, and anything in between.To improve the underfoot cushioning experience, we added 2mm of foam to the midsole. This cushioning material is composed of our FF BLAST and GEL technologies, for a soft and comfortable running experience.