**product Specifications:** **brand:** Lao Guan Jia **product Name:** Safety Shoes **quality Assurance:** Strict Inspections Ensure Peace Of Mind **certifications:** Oosbuvs, National Light Industry Leather Quality Supervision And Inspection Qingdao Station, Ma, Qingdao University Of Science And Technology New Rubber And Plastic Testing Service Co., Ltd., Leather Quality Supervision And Inspection Qingdao Station **testing Report Number:** 255 **slip Resistance:** Sra, Meets Requirements For Both Sra And Srb, Certified As Src **slip Resistance Level:** Src **manufacturing Unit:** Gao Tao City Zhi Lian Materials Co., Ltd. **features:** Oil And Acid Resistant, Wear-resistant, Safe And Comfortable **functions:** Slip-resistant Outsole, Shock-absorbing Midsole, Lightweight And Comfortable **product Information:** - **model:** 524 - **sizes:** 36-45 - **color:** Black - **upper Material:** Eva - **outsole Material:** Eva With Anti-slip Rubber Sole - **size Chart (mm):** 35 (225), 36 (230), 37 (235), 38 (240), 39 (245), 40 (250), 41 (255), 42 (260), 43 (265), 44 (270), 45 (275)