Seamless Techloom construction the single layer upper provides lightweight breathability. Engineered ribbing along the tongue and collar to provide stretch where it’s needed. New APL TechLoom Ziplines completely surround the upper, providing both lateral and longitudinal support without compromising flexibility. Maximum cushioning, two-piece APL FutureFoam midsole specifically tuned for running. Slanted shank plate encourages forward motion upon foot strike. Lightweight, solid rubber outsole designed for road and gym use. All new proprietary 5mm APL Soufflé sockliner. Machine washable. Air dry. Men’s size 9 is 7mm at the forefoot, 25mm at the heel and an 8mm drop along with a 5mm APL Soufflé sockliner.