Christian McCaffrey Debuts First Signature Sneaker With While On Earth

Christian McCaffrey Isn't Just Wearing the Shoe. He's Building the Company.

Christian McCaffrey walked away from Nike to build equity, not wear a swoosh. A year later, his new shoe, The CMC, is proof that he's actually building something.

Christian McCaffrey Debuts First Signature Sneaker With While On Earth

NFL star Christian McCaffrey joined While on Earth in 2025 as a co-founder and helped create a signature training shoe, The CMC, from the ground up

'A Very Unique Opportunity’ — 49ers Star Christian McCaffrey Reveals Real Reason He Left Multi-Million Dollar Nike Deal

49ers star Christian McCaffrey explains why he left Nike and chose to build his own training shoe with While On Earth.

Inside Christian McCaffrey's Year-Long Obsession Building the Perfect Signature Shoe

McCaffrey opens up about designing his While on Earth signature shoe, testing it himself, and why quality and family feedback mattered most. Christian McCaffrey has spent his career learning what his body needs to perform, so when the opportunity came to build a shoe from scratch, he didn’t treat it like a side project or a licensing deal. He treated it like training. A year ago, McCaffrey joined While on Earth, the footwear company he co-founde…