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 needSoft, 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, and is abrasion and heat resistant Cat powered traction with slip resistant rubber outsole Material Composition Leather/Textile/Other Materials Upper Outer Material PU Coated Leather Lining Material Nylon Mesh + NXT SoleMaterial Rubber Heel Height 20 Heel Type Block Safety category: SB Upper Outer Material: PU Coated Leather Lining Material: Nylon Mesh + NXT SoleMaterial: Rubber Heel Height: 20 Heel Type: Block Fitting: Medium Fastening: Lace Up Fastening 2: Lace Up