LYALL Size:ONE SIZE but it's definitely serious about

but it's definitely serious about performance

When running is what you live for

Recycled CROSS RIP 210D fabric is light and durable

The mid foot wrap integrated into the engineered mesh upper offers secure lockdown to maximize comfort and stability

LYALL Size:ONE SIZE but it's definitely serious aboutColor: Stone LYALL is ready for anything you want to do. For everyday commuting, it has a padded laptop sleeve plus organizer pockets, as well as a pocket in the top lid for valuables. 2 front pockets and a side pocket let you access things on the go, and a SNUGGLE UP suspension system ensures a comfortable, stable fit for hiking and long walks in airports. Versatile 28L backpack ORGANIZER Inside Padded Compartment for E Device: 15 ZOLL Padded Back