The Carhartt FRB194 Flame-Resistant Midweight Canvas Waist Overall features:

• Made of 8.5-ounce flame-resistant canvas, a blend of 88% cotton and 12% high-tenacity nylon
  
• 6.75-ounce flame-resistant quilt lining
  
• Sits slightly below the natural waist
  
• Has a full seat and thigh
  
• Chap-style double-front panels
• Double knees with cleanout openings to accommodate knee pads
  
• Ankle-to-thigh leg zippers with Nomex® FR zipper tape
  
• Inner and outer leg-zipper flaps with arc-resistant snap closures
• Reinforced leg-bottom kick panels
• Has two reinforced back pockets
  
• Main seams are triple-stitched for durability
  
• The FRB194 FR Overall meets NFPA 70E standards
  
• Flame resistant fabric by Mount Vernon Mills

Carhartt Size Chart