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Southern Cross Zip
Southern Cross Zip
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Built for long days on your feet, this 6-inch lace-up work boot combines premium full-grain distressed brown leather with a waterproof membrane to keep you comfortable in wet conditions. The wide-profile Ergo-Defender™ steel toe cap provides certified ASTM F2413 protection, including Electrical Hazard resistance, while the padded scalloped collar supports natural movement throughout the day. Underfoot, Steel Blue’s Trisole® Comfort Technology uses energy-absorbing PORON® pads and a shock-absorbing polyurethane midsole to help reduce fatigue, while the TPU outsole delivers durable slip resistance and reliable performance on demanding worksites.
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Independently Certified to Major International Safety Standard
✓ American Standard ASTM F2413-24
Steel Blue is committed to producing durable, comfortable work boots using premium, ethically sourced leather. They obtain their leather exclusively from tanneries that are members of the Leather Working Group (LWG), ensuring adherence to stringent environmental standards. As of 2024, 90% of their leather comes from top-rated suppliers, with a goal to source exclusively from LWG Gold-rated tanneries by 2025. Additionally, Steel Blue emphasizes sustainability by ensuring all leathers are by-products of the food sector, minimizing waste and promoting ethical practices.
Their commitment extends to reducing energy, water, and chemical usage throughout their supply chain and manufacturing processes.
These initiatives reflect Steel Blue's dedication to environmental responsibility and sustainable manufacturing.
Features
Electrical Hazard (EH)
Non-conductive, offering secondary protection for accidental contact with live electrical currents.
ErgoDefender (Steel Toe Cap)
Made from hardened steel for premium toe protection.
Lace Up
A classic fastening for snug, well-fitting work boots.
Leather
Boots made from high quality, long-lasting leather, including Nubuck, Full-Grain, TECtuff®, Suede and more.
Ortho Rebound® Footbed
Our Ortho Rebound® Footbed is uniquely designed to mould to the exact shape of your foot, supporting your arch and reducing foot fatigue.
Poron®
Strategically placed high-tech Poron® pads are placed in the sole and under your foot’s peak stress areas. We included Poron® in our Trisole® Comfort Technology, which is now the benchmark for safety boots.
Scuff Cap
An abrasion resistant, streamlined toe cover that covers more of the boot.
Slip & Oil Resistance
All Steel Blue footwear is designed to exceed the Slip resistance requirement in the ASTM F3445-21.
TPU Outsole
Our standard durable outsole with heat resistance to 266ºF.
Trisole Comfort Technology
Steel Blue’s unique soling system cushions your feet, knees, hips and lower back from day-to-day fatigue, for whole-body support.
Waterproof
Includes a special membrane that prevents water getting into your work boots.
Zip Sided
Lace Up for comfort, then use the side zips for quick access.
Lace Up
A classic fastening for snug, well-fitting work boots.
Trisole Comfort Technology
Steel Blue’s unique soling system cushions your feet, knees, hips and lower back from day-to-day fatigue, for whole-body support.
Waterproof
Includes a special membrane that prevents water getting into your work boots.
Zip Sided
Lace Up for comfort, then use the side zips for quick access.
Leather
Boots made from high quality, long-lasting leather, including Nubuck, Full-Grain, TECtuff®, Suede and more.
Scuff Cap
An abrasion resistant, streamlined toe cover that covers more of the boot.
TPU Outsole
Our standard durable outsole with heat resistance to 266ºF.
Waterproof
Includes a special membrane that prevents water getting into your work boots.
Electrical Hazard (EH)
Non-conductive, offering secondary protection for accidental contact with live electrical currents.
ErgoDefender (Steel Toe Cap)
Made from hardened steel for premium toe protection.
Slip & Oil Resistance
All Steel Blue footwear is designed to exceed the Slip resistance requirement in the ASTM F3445-21.
TPU Outsole
Our standard durable outsole with heat resistance to 266ºF.
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