The Invader takes Cat Footwear's iconic Intruder and adds trusted durability and toughness with a steel toe, giving consumers the style they want with the protection they need. - Soft, breathable nylon mesh sock lining with NXT antibacterial layer to reduce odor - Single density Ease footbed for lightweight comfort - Steel toe protects against impact and compression - Strobel construction provides superior flexibility and lightweight durability - Energy absorbent outsole - T1455 rubber outsole performs against fuel, oil and water - Abrasion and heat resistant outsole - Cat powered traction with slip resistant rubber outsole.