ShoeGeometry

Adidas Hyperboost Edge vs Mizuno Sky Prime

Two shoes compared on measured geometry. Each cell carries a provenance badge; open a shoe for sources.

heel boneAdidas Hyperboost Edge: heel 45 mm, forefoot 39 mm (drop 6 mm); toe rocker 32 % of length, radius 34 % of length; heel bevel 8 % of length, 17 mm high at the back, ending behind the heel bone (only the back edge is rounded).Adidas Hyperboost Edge: toe rocker 32 % of lengthMizuno Sky Prime: heel 47 mm, forefoot 41 mm (drop 6 mm); toe rocker 32 % of length, radius 35 % of length; heel bevel 12 % of length, 30 mm high at the back, ending about under the heel bone.Mizuno Sky Prime: toe rocker 32 % of length
  • Adidas Hyperboost Edge45/39 mm · toe rocker 32 % · heel bevel 8 %
  • Mizuno Sky Prime47/41 mm · toe rocker 32 % · heel bevel 12 %
Illustrative profiles, not photographs: drawn from published stack heights and photo estimates of the unloaded shoes on a common length (300 mm), heels aligned, toe to the left; dots mark where each toe rocker starts; the dotted vertical line is under the heel bone (12 % of length), so a heel curve reaching past it is a bevel in front of the heel bone. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.

Which suits you

If you wantPickBecause
A smoother roll at toe-offAbout the same32.4 vs 32.5 % toe rocker
More cushioning under the heelMizuno Sky Prime45 vs 47 mm heel stack
More under the forefootMizuno Sky Prime39 vs 41 mm forefoot stack
A lower dropAbout the same6 vs 6 mm drop

From the values below, with differences inside measurement noise shown as about the same. This describes the shoes, not what is right for your feet; comfort in the first few runs decides.

MetricAdidas Hyperboost Edge
Max cushion · Road
Mizuno Sky Prime
Max cushion · Road
Heel-to-toe drop6 mmDerived6 mmStated
Heel stack45 mmStated47 mmStated
Forefoot stack39 mmStated41 mmStated
Weight252 gMeasured295 gStated
Toe rocker32 %est.32 %est.
Rocker radius34 %est.35 %est.
Rocker rise angle31 degest.33 degest.
Rocker angle at toe58 degest.65 degest.
Toe tip over ground43 mmest.44 mm*est.
Visible rocker lift onset77.3 %est.78 %est.
Toe spring (relative)19 %est.21.1 %est.
Heel bevel length7.6 %est.11.8 %est.
Heel bevel height17 mm*est.30 mm*est.
Midsole width (forefoot)117.7 mmMeasured—
Midsole width (heel)91.6 mmMeasured—
Interior forefoot width97.4 mmMeasured—
Toebox width71.4 mmMeasured—
Longitudinal stiffness62Derived—
Midsole firmness46Derived—
PlateNo plateNo plate
Primary foamHyperboost ProMIZUNO ENERZY NXT+ (PEBA) over ENERZY NXT (EVA)
List price$200$200

Key differences

  • Heel-to-toe drop is about the same: 6 mm for Adidas Hyperboost Edge, 6 mm for Mizuno Sky Prime.
  • Adidas Hyperboost Edge's heel stack is 45 mm, 2 mm thinner than Mizuno Sky Prime's 47 mm.
  • Adidas Hyperboost Edge's forefoot stack is 39 mm, 2 mm thinner than Mizuno Sky Prime's 41 mm.
  • Adidas Hyperboost Edge's weight is 252 g, 43 g lighter than Mizuno Sky Prime's 295 g.
  • Toe rocker is about the same: 32 % of length for Adidas Hyperboost Edge, 32 % of length for Mizuno Sky Prime.

Read more about both shoes

We measure the shape. For how they feel over many miles, and for lab tests of cushioning, grip and fit:

Adidas Hyperboost Edge

Mizuno Sky Prime

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Adidas Hyperboost Edge details · Mizuno Sky Prime details · Add more shoes