Unisex Nike Zoom Rival Distance Size:M 12.5/W 14 There's also an EVA sockliner

There's also an EVA sockliner for a flexible fit and extra support where you need it

multi-beam

the ultra stretch helps alleviate the heel pain associated with common overuse injuries such as plantar fasciitis and achilles tendonitis when taking those first morning steps

This lightweight

Unisex Nike Zoom Rival Distance Size:M 12.5/W 14 There's also an EVA socklinerWith a lightweight, breathable upper and cushioned midsole, this adaptable spike dials you in for a wide range of middle and long distance races. It takes learnings from the game changing Dragonfly spike to give you efficient energy return for the tough middle laps and top end speed as you kick into the homestretch.