Made of Polyester, colours printed through a dye sublimation process in high resistance to UV and wear, mesh lining, stretch fabric at the back of the knee and lower leg for a maximum comfort, protection inserts leather inside the knees for a great resistance to heat and abrasion, inserts in elastic rib at the knees, hips and on the front running on the back for maximum comfort, inside elastic with anti-slip applications at the waist for a secure grip, the application of rat-tails gives to the pants greater strength in the most stressed points, double stitched with flat fell seams on all the most stressed points, different cuts to preform the pants for a better fit, closing safety at the adjustable waist, shrinkages with Velcro on the hips, zipper pullers with strap for easy opening and closing.