Reebok

Nano X4 Training Shoes

Black/Ftwr White/Orange Flare

The Reebok Nano X4 is a versatile cross training shoe built for functional fitness and gym workouts. It features a stable, flat platform for lifting combined with flexible cushioning for dynamic movements like box jumps and sprints. This model runs true to size.

What size should I get?

Our tool compares official Reebok size charts to find your perfect size. No measuring needed.

View on Reebok

No comments yet!

Please log in to post a comment.

US M 8.5 / W 9.5 🇺🇸 US M 9 / W 10 🇺🇸 US M 9.5 / W 10.5 🇺🇸 US M 10 / W 11 🇺🇸 US M 10.5 / W 11.5 🇺🇸 US M 11 / W 12 🇺🇸 US M 11.5 / W 12.5 🇺🇸 US M 12 / W 13 🇺🇸 US M 12.5 / W 13.5 🇺🇸 US M 13 / W 14 🇺🇸 US M 14 / W 15 🇺🇸

The Reebok Nano X4 Training Shoes runs true to size. Order your normal Reebok size for the best fit.

Foot Length	US
0 - 203 mm	3.5
0 - 241 mm	6.5
203 - 208 mm	4
208 - 211 mm	4.5
211 - 216 mm	5
216 - 221 mm	5.5
221 - 224 mm	6
224 - 229 mm	6.5
229 - 234 mm	7
234 - 236 mm	7.5
236 - 241 mm	8
241 - 246 mm	7 / 8.5
246 - 249 mm	7.5 / 9
249 - 254 mm	8 / 9.5
254 - 259 mm	10 / 8.5
259 - 262 mm	10.5 / 9
262 - 267 mm	11 / 9.5
267 - 272 mm	10
267 - 274 mm	12
272 - 274 mm	10.5
274 - 279 mm	11
279 - 284 mm	11.5
284 - 287 mm	12
287 - 292 mm	12.5
292 - 297 mm	13
297 - 300 mm	13.5
300 - 305 mm	14
305 - 310 mm	14.5
310 - 312 mm	15
312 - 318 mm	15.5
318 - 320 mm	16
320 - 325 mm	16.5

Frequently Asked Questions

The Reebok Nano X4 Training Shoes runs true to size. Order your normal size for the best fit.

Your Reebok Nano X4 Training Shoes size depends on your foot length and the shoes you currently wear. Use our size finder tool to get a personalized recommendation based on shoes you already own. Alternatively, measure your foot length in cm and use the size chart above to find your Reebok size.

Yes, the Reebok Nano X4 Training Shoes runs true to size compared to standard Reebok sizing. Order your normal size.

Use the size chart above to convert between EU, US and UK sizes for Reebok Nano X4 Training Shoes. Each size shows the corresponding foot length in mm so you can find your perfect fit.

Reebok is a British-American footwear and apparel company known for fitness, running, and CrossFit shoes. Founded in 1958, Reebok has a strong heritage in both performance athletics and lifestyle fashion.

Reebok shoes generally fit true to size, though some running models may run slightly small. The Classic Leather tends to fit true to size with a comfortable, relaxed fit.

For most Reebok models, your normal athletic shoe size will work well. For CrossFit and training shoes, ensure a snug fit for lateral stability.

Last updated: 2026-05-01 00:32:57