Style 311 Brown waxy leather elastic side safety boot V cut upper PORON® XRD™ in the heel strike zone for increased shock protection NEW DESIGN Polyurethane (PU) midsole/thermo urethane (TPU) outsole highly resistant to hydrolysis and microbial attack. - Oil, acid and organic fat resistant - Outsole heat resistant to 140oC Ergonomically engineered toe spring for reduced wearer fatigue. Steel shank—ensures correct step flex point, assists with torsional stability. Full heel breast with arch support for ladder and gantry safety Broad fitting 200 Joule impact resistant steel toe cap. NEW full length removable PU footbed—anti bacterial, breathable & washable. Certified to: Standard AS/NZS 2210.3.2009 – Classification 1-ID 2815 Certified to: Standard ASTM F 2413-11 including electrical shock resistance (Clause 5.5) Size AUS 5-13, 6.5—10.5 Blundstone 311 Brown Steel Cap Waxy Leather Elastic Side Safety Boot