Caterpillar Men's Flame Resistant Cargo PantsOur Flame Resistant Cargo Pants are made to move! These work pants offer the best in comfort, breathability, and performance in any condition. FEATURES: Style: 1810006 88% Cotton, 12% Nylon Button closure Machine Wash NFPA 2112 UL Certified, 70E CAT 2, ATPV 11. 5, ASTM F1506 88% Cotton, 12% Nylon Multiple Cargo pockets with flaps Cell phone pocket on right leg with hook and loop closure and pen pocket Diamond crotch gusset for ease of movement