They say nothing lasts forever, but that might not be the case for the people who love these incredibly popular running shoes ...

Nike is aiding in those endeavors by offering its "lightest racing shoe" for 30% off the retail price. For a limited time, ...

"Comfortable and perfect. Love these shoes," says one reviewer. "These are the most comfortable, supportive, and sexy Nike ...

The white with "dusty cactus" version has that eye-popping $63 price point, while the orange and metallic silver is in the same neighborhood at $70 — a 30% discount from its normal price of $100.