WOMEN'S CHALLENGER ATR 7 Size:7.5 Glycerin 21: The Glycerin 21

Glycerin 21: The Glycerin 21 further refined the engineered mesh upper

Durable rubber outsole provides traction and durability

If your next race requires a few strides in the depths of the ocean ripping rockets at the guy on your tail

you’ll be ready to tackle every workout and adventure with style and confidence

DURABILITY & TRACTION:

WOMEN'S CHALLENGER ATR 7 Size:7.5 Glycerin 21: The Glycerin 21The Rundown Street approved. Trail tested. Built 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