2018 Leatt Motocross Pants. Leatt pants are engineered to help you go the extra mile. Made of tough, ventilated material with an anti-odor mesh lining, they offer a tailored fit with 3D molded, fully floating knee cap reinforcement. Our pant range includes the 4.5 pant whilst the leatt 5.5 pants are even more advanced and are equipped with a new system called the I.K.S - Internal Knee Brace System, protecting your pants as well as your bike from knee brace wear...