The Carhartt FRB002 FR Twill Work Pants feature:

• Made of 9 ounce, FR twill: a blend of 88% cotton / 12% high-tenacity nylon
  
• Sits slightly below the natural waist, full seat and thighs
  
• Triple stitched main seams
  
• Arc-resistant button closure at the waist
  
• Brass zipper fly with Nomex FR zipper tape
  
• Has two reinforced back welt pockets
  
• The FRB002 Work Pants have leg openings fit over boots
  
• Carhartt FR label sewn on back pocket, HRC 2 label sewn at the waistband near the front coin pocket
  
• NFPA 70E and NFPA 2112 compliant
  
• Amplitude flame resistant fabric by Milliken
  
• Color: Dark Navy

Carhartt Size Chart