The New Balance 990 running shoe will provide the perfect blend of cushioning and stability for the most serious runners. Lightweight, supportive pigskin/synthetic/mesh upper adds a nice level of breathability and comfort. Reflective detail offers a level of visibility while on the roads. Dual-density collar foam uses both a softer density foam against the foot for cushioning, and a firmer density foam for support. ENCAP� EVA midsole delivers more support and durability. ABZORB� provides cushioning and energy displacement. NDurance� rubber gives maximum durability in high-wear areas. Removable insole. Blown rubber forefoot.