ASICS Men's Noosa FF Running Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Triathlon-inspired shoe with seamless upper featuring technical mesh for sockless wear and heel/tongue grips for easy on/off FlyteFoam Midsole Technology Discrete Eyelets: Independently placed eyelets disburse lace tension, creating a customized fitting environment and enhanced upper comfort. Seamless Construction: The use of seamless materials reduces the potential for irritation and friction caused by traditional stitches and seams. AHAR Outsole: Acronym for ASICS High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.