Split, non-marking outsole sneaker made on a high arch last with lightweight high performance materials Built in arch support and elevation to accentuate the arch Lightweight midsole provides maximum cushioning combined with a four part high density outsole for enhanced flexibility Pivot point allows 360 degree movement DRT cushioned heel for maximum shock absorption and comfort Lightweight manmade midsole with air cushion of 4PSI for shock absorption Four part high density man made outsole with spin spot for 360 degree turns Sizing: Women start with 1 full size up from street shoe; 1 1/2 sizes up for wide feet. Men start with 2 full sizes up from street shoe Lightweight P.U. midsole provides maximum cushioning combined with a four part high-density P.U. outsole for enhanced flexibility and the correct amount of slide.