Key features:

• Heat resistance: The soles and upper materials are designed to withstand high temperatures without melting or igniting.
• Insulation: Protects the feet from heat conduction from hot surfaces.  
• Waterproofing: Prevents water ingress, keeping feet dry in wet conditions.  
• Slip resistance: Provides traction on various surfaces, including wet and slippery ones.  
• Impact resistance: Protects the feet from falling debris and heavy objects.
• Puncture resistance: Shields the feet from sharp objects.
• Comfort: Offers adequate support and cushioning for extended wear.

Materials:

Fire protective shoes are typically made from a combination of materials, including:

• Leather: Provides durability and heat resistance.
• Rubber: Offers insulation, waterproofing, and slip resistance.
• Kevlar: Provides additional heat and puncture resistance.
• Steel or composite: Used for toe caps and midsole plates.