New Saucony Grid 8500 HT, Leather and Textile Upper, Textile Lining and Insole, White Rubber outsole, Synthetic Sole, Lace Closure. The Grid 8500 “Burnish” pack is all about the luxury of leather. As you wear your pair of Grid 8500’s they will patina uniquely to their wearer. As the leather article wears it will change from light to dark, which is a product of the oils in this premium leather fashion sneaker. OVERVIEW Grid 9000 upper Grid 8000 CL midsole and outsole SPECS Textile lining and cushioning, removable insole Shock-absorbing striped EVA midsole Durable rubber traction outsole Saucony's landmark midsole cushioning system called G.R.I.D. (Ground Reaction Inertia Device) PRICE IS FIRM