Manmade,Mesh Imported Run at your best with the Grid Stratos 5. Mesh and synthetic upper. Lace-up closure. Brand logo hits at tongue and side. Soft fabric lining and footbed. Heel GRID? system gives dynamic heel strike cushioning. Rubber outsole. Imported. Measurements: Weight: 9 oz Product measurements were taken using size 8.5, width B – Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.