Material & Features: *China-made 8.9 oz inherently flame resistant twill, a blend of 80% modacrylic and 20% Viscose; *Rugged double safety stitched seams with felled fabric edges to ensure seam safety; *Stitched with color matching flame resistant sewing thread; *Bi-swing action back to facilitate body movement; *Knees patched with the same fabric to add strength against abrasion; *Highly reflective trims installed to enhance visibility at work; Applications: Oil and gas fields, machinery, fire service and other general-purpose industrial heat protection. Size: Both European and Asian sizing available, or made to custom size. Color: Navy, orange. Can also be made to custom colors subject to quantity. Standards: EN531, NFPA2112, EN471, GB8965-1998