ScorpionExo Trey Men's Textile Motorcycle Pants (Black, Large) Vented, poly mesh outer shell construction 840 denier ballistic nylon panels in the knees provide additional abrasion resistance Removable, full-length H2O Blok. waterproof/breathable liner Sas Tec CE. approved SC-01/02 removable armor in the knees and SC-1/07 in the hips NightViz. reflective piping on the lower legs for increased night time visibility