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Your Reebok CrossFit Nano 4.0 is a
Neutral Cross-Training Shoe with Level 3 Cushioning.


The Benefits

Prepare to Declare BOX SUPREMACY in the NEW CrossFit Nano 4.0

Expect an incredibly quick, energetic feel from this CrossFitter's essential that features a lightweight yet highly durable design built specifically through the CrossFit lens. Your new Nano 4.0s will help you:

  • Push your limits, feeling confident that your feet will be totally protected from all of the elements of your CrossFit workouts thanks to the new DuraCage protective upper and enhanced toe-wrap.
  • Keep your feet feeling fresh and energized from start to finish on your workouts in the open, breathable mesh featured throughout this cross-training shoe.
  • Maximize your reps, knowing no amount of box jumps or wall-balls will make the tongue of your CrossFit Nano 4.0s budge thanks to the secure hold of the Internal FitFrame.
  • Scale your rope reps as fast as Rich Froning, compliments of the Nano 4.0's Rope Pro protection wrap found along the outer and inner midsole of the shoe.
  • Move speedy & strong throughout your workout, enjoying better stability and control with the 4.0's Metasplit flex grooves that enable your feet to fully splay for optimal balance.
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Your Fit Expert advice on the Reebok CrossFit Nano 4.0

"You'll feel totally confident and psyched to push your limits from the minute you lace up the Nano 4.0's. Trust me, you will NOT be disappointed!"

- Robbie W. Fit Expert for 1+ Years & CrossFit Athlete for 3+ Years

Reebok Nano 4.0

"WOD lifts have NEVER been easier for me since I picked up a pair. Plus, I get great Olympic lift stability & gymnastic balance, too, with the Nano 4.0's"

- Chantelle N. Fit Expert for 2+ Years & CrossFit Athlete for 1+ Years

Reebok Nano 4.0

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Reebok Nano 4.0

Who's gotta have the Reebok CrossFit
Nano 4.0?

  • If you practice CrossFit, the new Nano 4.0s are your MUST-HAVE essential! And, for those CrossFit Athletes who've already come to love the Nano series, the 4.0s will continue to keep you stoked!
  • If you cross-train at all, whether it be CrossFit or your own, personalized program, you're sure to improve your performance and comfort with the Reebok Nano 4.0. You'll feel supported and strong in all types of activities; from running, to weightlifting, to Bootcamps, to cardio classes and Zumba.

What am I getting with the upgrade from the
Nano 3.0 to the Nano 4.0?

  • Your #1 biggest advantage by upgrading from the 3.0 to the Nano 4.0 is loads more durability. You'll be more confident and comfortable throughout all of your sessions knowing that your feet are better protected from all of the elements of your CrossFit workouts.

Reebok Nano 4.0

Reebok Nano 4.0

How are these CrossFit shoes gonna fit my foot?

  • Your Road Runner Sports' Fit Experts recommend that you buy your Reebok CrossFit Nano 4.0s in a half-size bigger than your typical casual shoes. Your feet swell and expand as you workout, so you'll be happiest by sizing up in this way with your new kicks.
  • JOIN our VIP FAMILY and you'll be buying these shoes RISK FREE with your VIP 90-day Wear 'Em and Love 'Em Guarantee! Wear your new Reebok CrossFit Nano 4.0 cross-training shoes for 90 days and, if you don't love them, simply send them back, no questions asked!
  • To ensure that you get your very best fit, run into one of our retail stores and let a friendly Fit Expert help you find your perfect fitting Nano 4.0. Check out all of our locations at: Road Runner Sports Retail Store Locations
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