The #003L large is 6" longer and 6" wider. Designed with the intentions off providing a better fit for the large firefighter wearing turnout gear. Constructed of extra strong vinyl coated nylon mesh, edges bound and double stitched with nylon binding. Adjustable on each side with side release nylon buckles. Shoulders have 1 3/8" wide 3M™ Scotchlite™ Reflective Material on front and back and a 4" x 18" 3M™ Scotchlite™ Reflective Material panel with title in black on front and back.