This ARD Motorcycle pants are 100% waterproof, while offering excellent performance on cold weather rides. The removable thermal liner and fixed breathable waterproof liner makes these pants a truly all season wear. These pants have CE Certified hip and Knee armor. All four peices are EN1621-1 CE Certified. Accordion-style expansion panels at the rear waist and above knees for increased flexibility. Anatomical, precurved design improves fit and comfort while riding. Abrasion, scuff and tear resistant 600D Polyester main shell construction. These are riding pants and measure different than your regular jeans. So your regular jeans or pants measurement is totally irrelevant. Measure around your waist using a cloth tape measure and don't pull it tight. Measure your inseam from the highest point of your crotch down to your ankle, along your inner leg. Compare these measurements to the sizing chart in pictures for best fit. The sizing chart is provided as a guide only.