Inside Menswear Legend Aaron Levine’s Long-Awaited Solo Act

Levine’s enthusiasm for his new venture is palpable—his eyes gleam at the very mention of the soft thermal undershirts he’s making at a factory in Detroit, and his favorite adjectives to describe the products are “fire” and “gas.” (As in: “The articulated knee on this pant is so fire.”) He recalls his full-time corporate positions with frustration. “You’re in a fitting with 12 people,” he says. “You’re in there with tech design, you’re in there with design, you’re…