With its classic lines and timeless style, the Ambition STR IV delivers comfort, functionality and quality needed to beat your opponents. Full grain leather upper offers comfort and soft feel. Textile lining and EVA insole for added comfort. Injected EVA midsole for long-term lightweight cushioning. adiWEAR outsole delivers the best durability in high-wear areas. Non-marking rubber outsole. 10. 00 oz. Product measurements were taken using size 6. Please note that measurements may vary by size.