ASICS Women's Fuzex Rush Running Shoe 100% Textile and Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Seamless Construction: The use of seamless materials reduces the potential for irritation and friction caused by traditional stitches and seams. Discrete Eyelets: Independently placed eyelets disburse lace tension, creating a customized fitting environment and enhanced upper comfort. Removable Sockliner: A sock liner which can be removed to accommodate a medical orthotic. fuzeGELMidsole: ASICS newest GEL cushioning technology made from the fusion of GEL property and foam creates lightweight adaptable comfort. AHAR Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.