SUPPORT, STABILITY AND HERITAGE LOOK. The Air Jordan 4 Retro delivers lightweight cushioning with a sculpted midsole designed to provide stability. Its throwback details pays tribute to the 1989 original. Leather and synthetic upper delivers durability and support. Visible Air-Sole unit in the heel for impact cushioning. Plastic lace locks let you adjust the width of the laces. Sculpted foot frame for stability. Rubber outsole with modified herringbone pattern for traction. "