The signature trainer of NFL All-Pro Christian McCaffrey
Designed alongside while on earth™ co-founder and San Francisco 49ers running back Christian McCaffrey, and tested over a year of rigorous training, the CMC Trainer delivers maximum control without sacrificing comfort. A tough, breathable nylon upper withstands high-output workouts while keeping your feet cool under pressure. From heavy strength sessions to quick lateral agility drills, this versatile trainer provides a locked-in fit and dependable support through every rep.
Features
Locked-in heel counter and mid-foot TPU plate for maximum stability
Cushioned EVA midsole and plush foam sockliner absorb heavy impact while maintaining solid footing
Multi-directional rubber outsole with flex grooves delivers optimal grip and natural foot articulation
Sizing
The CMC Trainer fits true to size. Take your usual sneaker size.
Materials
Upper: Durable and breathable nylon
Midsole: EVA foam
Outsole: Multi-directional rubber
Mid-foot Plate: TPU
About While on Earth
While on Earth is driven by a team of entrepreneurs and athletes dedicated to creating footwear, apparel, and accessories for those who move, go, and do. Grounded in the belief that time is our most valuable currency, they craft thoughtfully designed products inspired by the mind, body, and the world around us. Their mission is to inspire individuals to live intentionally, stay curious, and reach their full potential.
