ShoeGeometry

Altra Escalante 5 vs Altra Escalante 4

What changed from the Altra Escalante 4: rocker apex starts later, stiffness stiffer. Each cell carries a provenance badge; open a shoe for sources.

Altra Escalante 5: heel 24 mm, forefoot 24 mm (drop 0 mm); rocker apex 68 % of length, radius 39 % of length.Altra Escalante 5: rocker apex at 68 % of lengthAltra Escalante 4: heel 24 mm, forefoot 24 mm (drop 0 mm); rocker apex 60 % of length, radius 48 % of length.Altra Escalante 4: rocker apex at 60 % of length
  • Altra Escalante 524/24 mm · apex 68 %
  • Altra Escalante 424/24 mm · apex 60 %
Midsoles drawn from measured values on a common length (290 mm), heels aligned, toe to the left; dots mark the rocker apex. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.

What changed

MeasureAltra Escalante 4Altra Escalante 5Change
Heel stack24 mm24 mmabout the same
Forefoot stack24 mm24 mmabout the same
Drop0 mm0 mmabout the same
Weight269 g275 gabout the same
Rocker apex60.5% of length68.5% of lengthstarts later (+8 %)
Toe tip over ground35.2 mm32.6 mmabout the same
Rocker rise angle27.9°27.6°about the same
Stiffness1/10011/100stiffer (+10)
Firmness75/10072/100about the same
Forefoot base width118.3 mm117.2 mmabout the same

Compared with the previous version in this catalogue. Differences within measurement noise are shown as about the same. All version changes

MetricAltra Escalante 5
Daily trainer · Road
Altra Escalante 4
Daily trainer · Road
Heel-to-toe drop0 mmStated0 mmStated
Heel stack24 mmStated24 mmStated
Forefoot stack24 mmDerived24 mmDerived
Weight275 gStated269 gStated
Rocker apex68.5 %est.60.5 %est.
Rocker radius39 %est.48 %est.
Rocker rise angle28 degest.28 degest.
Toe tip over ground33 mmest.35 mmest.
Rocker angle at toe54 degest.59 degest.
Visible rocker lift onset79.5 %est.75.6 %est.
Toe spring (relative)16.3 %est.16.1 %est.
Midsole width (forefoot)117.2 mmMeasured118.3 mmMeasured
Midsole width (heel)81.2 mmMeasured82.5 mmMeasured
Interior forefoot width99.1 mmMeasured101 mmMeasured
Toebox width80.8 mmMeasured82.4 mmMeasured
Longitudinal stiffness11Derived1Derived
Midsole firmness72Derived75Derived
PlateNo plateNo plate
Primary foamAltra EGOAltra EGO
List price$140$130

Key differences

  • Heel-to-toe drop is about the same: 0 mm for Altra Escalante 5, 0 mm for Altra Escalante 4.
  • Heel stack is about the same: 24 mm for Altra Escalante 5, 24 mm for Altra Escalante 4.
  • Forefoot stack is about the same: 24 mm for Altra Escalante 5, 24 mm for Altra Escalante 4.
  • Altra Escalante 5's weight is 275 g, 6 g heavier than Altra Escalante 4's 269 g.
  • Altra Escalante 5's rocker onset is 80 % of length, 4 % of length later than Altra Escalante 4's 76 % of length.

Altra Escalante 5 details · Altra Escalante 4 details · Add more shoes