Challenger 7 GTX Sleeve The popular BIRKENSTOCK Arizona has

The popular BIRKENSTOCK Arizona has been given an update

while controlling odor

Even fewer do that just for fun

DETAILSFor over 15 years

Challenger 7 GTX Sleeve The popular BIRKENSTOCK Arizona hasBuilt at the intersection of road and trail, the Challenger 7 GTX 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 GORE TEX INVISIBLE FIT with recycled content product technology for enhanced protection in inclement weather. Inspired by gravel tires, weve cued up smaller, tightly spaced lugs in center and larger, more aggressive lugs