The Steel Blue Southern Cross Zip S3 is a durable and comfortable 150mm ankle safety boot designed for demanding work environments. It features premium water-resistant leather, a 200J steel toe cap, and EN ISO 20345 S3 certification. The boot includes a penetration-resistant steel midsole, heat-resistant TPU outsole (up to 130°C), and SRC-rated slip resistance. For added comfort, it has an anti-static design, moisture-wicking Baltico® lining, Ortho Rebound® footbed, and Trisole® cushioning system.