The Redback USBOK features include :

Improved lightweight, two-component Urethane Air cellular midsole with millions of tiny air bubbles to improve shock absorption, energy return and weight reduction. 

All leather 3 piece upper

Full-length foot bed and arch support

Steel toe cap safety

3 layer reinforced heel for comfort and support

180mm elastic sided ankle boot

New Cross-Linked Compression Moulded Translucent Outsole, giving high density weather, lubricant and fuel resistance and improved performance in temperature extremes

Multi-directional cleats on the outsole for greater traction in all terrains

Innovative High Pressure Compression Moulded outsole skin technology delivers unparalleled physical toughness in high tear, abrasion and tensile performance

Improved footbed moulds to the foot shape with improved thermal properties

Redback's exclusive Full Grain Tannage, delivers leathers which are 2.5 to 2.7 thick, a huge 30% increase in substance than normal work boots.