The Endorphin 3 is the lightest spike for any miler to 10K runner. Offering a toothy plate design with 4 spiked and a reimagined upper, at 3.7 oz Run, Fast, Turn Left just took on a whole new meaning.
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The Endorphin 3 is the lightest spike for any miler to 10K runner. Offering a toothy plate design with 4 spiked and a reimagined upper, at 3.7 oz Run, Fast, Turn Left just took on a whole new meaning.