According to Saucony, this one is “sparked by the Endorphin line,” translation: an entry-level trainer for those who don’t want to spend the Endorphin bucks. Honestly, it’s somewhere between a stripped-down and firmer version of the Endorphin Shift and a max-stack, rockered Kinvara. Or maybe we have no idea where it fits in. Good news is that it’s actually insanely lightweight for a 38 mm stack height in the heel/34 mm in the front.
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