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The Sidi Crossfire 3 TA is identical in features to the SR, except it features a sewn on welt sole. This different sole construction improves the fit (more wide) and the feel (easier to walk in), Otherwise it has all the same features as the SRS version. Most importantly, the Crossfire 3 has a mechanism in the hinge to mechanically limit hyperextension and hyperflexion at the ankle. They are the most technical and protective offroad boots in the world.
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