Walls Men's Big-Tall Flame Resistant Contractor Coverall 2.0 100% Cotton Imported Machine Wash Arc rating atpv-11.1cal/cm2 hr. Level 2 9 Ounze. 100 percentage cotton for sateen Bi-swing action back for ease of movement Banded waist with elastic inserts Garment fabric and trims are nape 2112 up certified