85Score
CoreScore breakdown
0 reviews · 0 expert tests
Comfort83
Durability87
Performance87
Value82
Fit accuracy86
Reebok
Nano X4
Conquer the box.
gymRemovable insole
Best for
CrossFitWeightliftingGym workoutsHIIT
Not ideal for
RunningOutdoor use
01
Lab measurements
Weight
310g
UK size 9 men's
Heel drop
4mm
Low drop
Heel stack
19mm
Forefoot stack
15mm
Midsole hardness
45HC
Firm
Energy return
46%
Higher = bouncier
Toebox width
92mm
Breathability
72/100
Outsole grip
83/100
Flexibility
54/100
Heel counter
4/5
Ankle hold
Sustainability
15%
Recycled content
02
Fit guide
Sizing specs
SizingTrue to size. Slightly roomier than Metcon.
Size rangeUK 5–14
Width optionsD
Arch supportneutral
Removable insoleYes
Orthotic readyYes
Best for
CrossFit
Weightlifting
Gym workouts
HIIT
Not ideal for
Running
Outdoor use
03
Price tracker
7-month price history
No price history yet.
04
Construction
05
What people say
What people love
Community reviews coming soon.
Common complaints
06