Nike Free TR Ultra AMP F
|Minimalist Index||48 %|
From 225g to less than 275g
from 20 mm to less than 26 mm
Heel to Toe Drop
From 4mm to less than 7mm
Motion Control and Stability Technologies
Elevated medial insole under arch (left), compared with a flat insole (right).
Medial flare. Medial tip of midsole extends beyond footbed.
High resistance to longitudinal bending (anterior and posterior parts of the shoe can form an angle between 45 and 90 degrees)
High resistance to torsion (anterior part of the shoe is turned more than 45 degrees but less than 90 degrees; anterior outsole can't face laterally while posterior outsole faces inferiorly)