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The Lightspur from Nathan wraps around the heal of your shoe and you won't even notice it is there
Ultra-comfortable
The Adrenaline 23 is newly updated with lighter cushioning called DNA LOFT v2 which offers a perfect balance of support and softness that results in a smooth ride for miles at every speed
you get an internal ring clip
Now with the new Quick Charge feature to keep you aware and motivated while you power through any workout
SAUCONY MEN'S ENDORPHIN PRO 4 Size:8.5 The Lightspur from Nathan wrapsGuru tip Dual density foam to slay your PRs Tech tip Prepare for trouble and make it double with the Saucony Endorphin Pro 4. Equipped with a dual density midsole of Sauconys PWRRUN HG foam, a foam that Saucony boasts has the highest energy return on the market and the endorphin Pros traditional PWRRUN PB means youre in for quite the treat. Supersized with a carbon fiber plate (no fork included) thats sandwiched between the two foams the Endorphin Pro