Elias looked at the three pairs lined up on the bench. It felt indulgent, almost theatrical. He was a man who owned two pairs of shoes: "work" and "weddings." Now, he was looking at a colorful fleet of performance engineering. "I'll take them," Elias said. "All of them."

He pulled out his phone and checked the note he’d scribbled: Buy Asics. A few.

"Asics," Elias said, perhaps a bit too loudly. "I need a few."

Finally, she brought out a pair of in a muted charcoal. "Everyday workhorses," she said. "No frills, just reliable miles."

Over the next month, the "rotation" became a ritual. On Tuesday mornings, when his legs felt like lead, he reached for the stability of the Kayanos. On Thursdays, when the coffee hit just right and the air was crisp, he laced up the Novablasts and felt the bounce carry him an extra half-mile. The charcoal GT-2000s became his companions for long weekend walks that slowly turned into long weekend runs.