The Carhartt FRR44 Flame-Resistant Duck Bib Overall has the following features: 

• Made of 13-ounce, flame-resistant 100% cotton duck
• 10.5 ounce FR quilt lining
  
• High back with flame-resistant elastic suspenders and high temperature nylon center-release buckles
  
• Chap-style double front for durability
  
• Flame-resistant melamine button at waist
  
• Multiple tool and utility pockets
  
• Ankle-to-mid-thigh brass leg zippers with Nomex® zipper tape and protective flaps
  
• Arc-resistant snap closures
  
• The FRR44 FR Overall is NFPA 70E compliant
• Flame Resistant fabric by Mount Vernon Mills
  

Carhartt Size Chart