Nike LeBron Witness 8 "I Promise School" Size Guide

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Nike LeBron Witness 8 "I Promise School" runs 1 times larger than other Nike shoes and requires a custom size chart, which you find below.

Nike :: One Size Larger :: male

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: Runs large

Foot Length (mm)	EU
212	35.5
216	36
220	36.5
225	37.5
229	38
233	38.5
237	39
241	40
246	40.5
250	41
254	42
258	42.5
263	43
267	44
271	44.5
275	45
279	45.5
284	46
288	47
292	47.5
296	48
301	48.5
305	49
309	49.5
313	50
318	50.5
322	51
326	51.5
330	52
335	52.5
339	53
343	53.5
347	54
351	54.5
356	55
360	55.5
364	56
368	56.5

Based On: Nike :: Official :: Male

Last updated: 2025-07-21 16:30:41

The Nike LeBron Witness 8 "I Promise School" runs large. Use our find size tool to find your perfect fit.

Your Nike LeBron Witness 8 "I Promise School" size depends on what shoes you currently wear. Our size finder tool uses your existing shoes to recommend the perfect Nike LeBron Witness 8 "I Promise School" size. The Nike LeBron Witness 8 "I Promise School" is larger than standard Nike sizing.

The Nike LeBron Witness 8 "I Promise School" is larger than standard Nike sizing. Use our find size tool to find your perfect fit based on the shoes you already own.

Nike is an American sportswear corporation founded in 1964 by Bill Bowerman and Phil Knight. The worlds largest supplier of athletic shoes, Nike produces footwear for virtually every sport and lifestyle category. The brand is known for Air cushioning technology, Flyknit construction, and collaborations with athletes worldwide.

Nike sizing varies across categories and models. Running shoes (Pegasus, Vomero) generally fit true to size. Basketball shoes (Jordan, LeBron) have a snug, performance-oriented fit. Lifestyle models (Air Force 1, Dunk) can run slightly large. The Air Max line fits true to size for most people.

For Nike running shoes, order your normal size. Air Force 1s often run half a size large, so consider sizing down. Dunks fit true to size. For wide feet, Nike offers wide (W) and extra-wide (XW) options in many running models. When comparing to Adidas, Nike tends to run very similarly in length.