ATS Max technology disperses pressure to keep you as comfortable at the end of your day as you were when you started. U-Turn® Entry System lets people with high arches easily slip on their boots. Removable Pro Performance insole for cushioning and shock absorption. Lightweight EVA midsole absorbs shock. Oil- and slip-resistant Duratread™ sole provides maximum wear resistance. 90° heel. Goodyear welt construction. Six-row stitch pattern