pro dura pants navy bright blue white YGroup_8970125 5 and 3 Roll Off Lenses 8059347260754 5 and 3 Roll Off Lenses are constructed from the strongest and most optically perfect Techstar Melt Pants with their athletic race fit incorporate innovative features such as the SX2 magnetic closure buckle and a refined 3D Babel knee construction to significantly ramp up ventilation the Pro Dura line sets a new modern standard with its rugged and durable construction to help enduro and off road riders alike conquer all types of terrain in both comfort and style Engineered to handle the specific demands of Enduro riding