ASICS GEL-OBERON 7 Women's Running Shoes Rearfoot GEL Cushioning System - Attenuates shock during impact phase and allows for a smooth transition to midstance for superb comfort underfoot. Trusstic System - Reduces the weight of the sole unit while retaining the structural integrity of the shoe for a durable and lighter shoe underfoot. AHAR+ - ASICS High Abrasion Rubber is placed in critical areas of the outsole for exceptional durability and great traction. Removable EVA Sockliner - A sockliner which can be removed to accommodate a medical orthotic for greater versatility. California Slip Lasting - For stability and comfort, the upper is stitched around a canvas or EVA board and directly attached to the midsole.