Specification: Made of PVC, durable, portable and flexible, waterproof and wear-resistant. Made of high-quality rubber, easy-to-control football friction design. Natural rubber outsole is wear-resistant and non-slip to ensure safe sprinting. Size Chart: 4.0 United Kingdom (36 EU) = 9.06 inches (foot length) 4.5 United Kingdom (37 EU) = 9.35 inches (foot length) 6.0 UK (38 EU) = 9.65 inches (foot length) 7.0 UK (39 EU) = 9.90 inches (foot length) 7.5 UK (40 EU) = 10.10 inches (foot length) 8.0 UK (41 EU) = 10.36 inches (foot length) 9.0 UK (42 EU) = 10.64inch (foot length) 9.5 United Kingdom (43 EU) = 10.90 inches (foot length) 10 United Kingdom (44 EU) = 11.10 inches (foot length) 11 United Kingdom (45 EU) = 11.4 inches (foot length) Please choose one size larger for foot width. caution: Due to different computer viewers, there are subtle color differences between real objects.