Challenger 7 Shoe Size:8 The aggressive heel and forefoot

The aggressive heel and forefoot rocker design aids in a fast transition

The top's knit structure forms the iconic Nike chevron at the front

whether you're lifting at the gym or stretching outside

the Rival Waffle 6 can help you optimize your training year-round

you can use them for additional support while working

Challenger 7 Shoe Size:8 The aggressive heel and forefootBuilt at the intersection of road and trail, the new Challenger 7 has been completely reimagined from the ground up. Combining a simplified mesh upper with a soft new foam, weve increased the stack height for a plusher feel and added proprietary rubber to the bottom unit, along with a reimagined outsole design for the best all terrain ride yet. Inspired by gravel tires, weve cued up smaller, tightly spaced lugs in center and larger, more aggressive