CoreScore breakdown
0 reviews · 0 expert tests
NikeLeBron 21
Power. Precision. Control.
Best for
Not ideal for
Verdict
The Nike LeBron 21 is a high-performing option in its class — a performance high-top scoring 87/100 in SoleHunt's data-driven evaluation, drawing on 0 consumer reviews and 0 independent expert tests. Tipping the scales at 460g, it is on the heavier side for a performance high-top. The 32mm heel stack — a generous stack — delivers a medium-firm ride at 35 HC, returning 65% of impact energy and feeling responsive and lively underfoot. Geometrically, the LeBron 21 runs on a near-zero 0mm drop built for natural gait and forefoot-first runners, with a 32mm forefoot stack that creates a naturally ground-hugging feel. Fit-wise, the toebox measures 108mm — extra-wide, suited to broad or bunion-prone feet — and the upper is available in D/2E widths. True to size. Wide toe box for court movement. The removable insole makes it compatible with custom orthotics. It is designed for power players, indoor court, high-impact play, big forwards, and performs less well for outdoor concrete or long walks.
Lab measurements
Weight
460g
UK size 9 men's
Heel drop
0mm
Zero drop
Heel stack
32mm
Forefoot stack
32mm
Midsole hardness
35HC
Medium
Energy return
65%
Higher = bouncier
Toebox width
108mm
Breathability
55/100
Outsole grip
88/100
Flexibility
40/100
Heel counter
5/5
Ankle hold
Sustainability
10%
Recycled content
Fit guide
Sizing specs
Best for
Not ideal for
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