9-ounce 88% Cotton/12% Nylon Twill - Classic Fit - Diamond crotch gusset for ease of movement - Knee darts for articulation - Cell phone pocket on right leg with hook and loop closure and pen pocket - Back bellowed pockets with hook and loop closure on right - Ruler pocket at back right thigh - Cargo pocket on left thigh with hook and loop flap closure with pen pocket and bellowed cell phone pocket on top - 20 inch leg opening fits over boots - UL Certified to NFPA 2112 - ASTM F1506 - NFPA 70E - CAT 2 - ATPV Value: 9.5