Hello，welcome to my store. Pls kindly read size chart before purchase! Guaranteed 100% brand new and high quality  Gender:Men Athletic Shoe Type:Safety Shoes  Function:Steel toe cap，To prevent puncture，Non-slip，Breathable，Deodorant Season: Spring， Summer， Autumn， Winter Lining Material: Cotton Fabric  Shoe Upper: Microfiber Leather  Shoe sole: Non-slip Rubber  Shoe pad: PVC Cortical features: Genuine   Please following this size chart: CN/EU Size 37= Foot Length 230mm/9inch= US 4.5 CN/EU Size 38= Foot Length 235mm/9.3inch= US 5.5 CN/EU Size 39= Foot Length 245mm/9.7inch= US 6 CN/EU Size 40= Foot Length 250mm/9.9inch= US 7 CN/EU Size 41= Foot Length 255mm/10inch= US 8 CN/EU Size 42= Foot Length 260mm/10.2inch= US 8.5 CN/EU Size 43= Foot Length 265mm/10.4inch= US 9.5 CN/EU Size 44= Foot Length 270mm/10.6inch= US 10 CN/EU Size 45= Foot Length 275mm/10.8inch= US 11 CN/EU Size 46= Foot Length 280mm/11inch= US 11.5 If your feet is bigger or wider， pls go 1 size up.Measured by hands， please allow 1-3mm error. Thanks.