The Carhartt FRB160 Flame-Resistant Relaxed Fit Denim Jeans have the following features:

• Made of 14.5-ounce denim - an 88% cotton and 12% high-tenacity nylon blend
• Pre-washed for softness
  
• Relaxed seat and thigh to give you plenty of comfort
  
• The brass zipper fly features protective Nomex® zipper tape and the high-tension snap closure at the waist is arc-resistant
  
• 17-inch leg openings fit over work boots
  
• The FRB160 FR Jeans are NFPA 70E compliant

Carhartt Size Chart