Carhartt Men's Flame Resistant Canvas Laminated Extremes Biberall 88% Cotton, 12% Nylon Imported Machine Wash Fully insulated with 200 gram 3 m thinsulate platinum insulation for with twill face cloth Features wind fighter technology that tames the wind High back with for elastic suspenders and for side-release buckles Back waistband elastic for comfortable fit Meets the performance requirements of NFPA 70e