Size: 37 Best security protection: fiberglass protective caps offer extra stable and impact-resistant protection than steel toe. Complies with USA ASTM-F2413 and EN ISO 20345 standards, ANDANDA men's work shoes can withstand over 200 J impact resistance and 15,000 N compression resistance. Rubber sole: with SRC certified slip resistance, the rubber sole has excellent abrasion resistance against acids and alkalis. Insulation and slip resistance: these work shoes have also been tested and approved to protect workers from electricity. These men's work shoes also feature energy absorption in the heel area, which enhances comfort and reduces user fatigue. High-quality materials: men's work shoes are made of durable and heat-resistant premium leather. The work shoe lining is made of highly hygroscopic and sweat-absorbent material, giving your feet a relaxed and breathable feel. Elastic laces that make it easy to put on and take off shoes. Multiple uses: these full-featured and fashionable men's safety boots can be used for hiking, indoor use, construction, food industry, storage pipes, miners, car repair, municipal public (facility management), manufacturing and metallurgical industry, gardening, agriculture, work, daily use, and outdoor use.