Authentic five-pocket styling. Arc-resistant button waistband closure. High-quality brass zipper with Nomex (FR) zipper tape. Flame-resistant pocketing. Nomex (FR) thread used in all garment seams. Fits over boots. Prewashed cotton. Safety orange outside ID. 36" inseam length. Machine wash cold. 94% Cotton,5% Polyester,1% Spandex.