GEL CUSHIONING: Enables a smooth transition to midstance by mitigating shock during impact.REMOVABLE SOCKLINER: The Gel-Venture 6 features a foam sockliner which can be removed and replaced to comfortably fit a custom medical orthotic.AHAR OUTSOLE: AHAR, or ASICS High Abrasion Rubber, is strategically placed in demanding areas of the outsole for extraordinary durability.TRAIL SPECIFIC OUTSOLE: Enables ascending and descending traction on any kind of terrain through reversed lugs.The Gel-Venture 6 is lightweight, comfortable and breathable.