Nathan Marathon Pak 2.0 main_product but better matches the shape

but better matches the shape of a wide foot in a way that even upsizing a classic GREEN would not

All the right moves

but made for everything

and makes it feel like you're running in absolutely nothing

FOREFOOT: Moderate (most runners will have plenty of wiggle room)

Nathan Marathon Pak 2.0 main_product but better matches the shapeFEATURES & TECHNOLOGY RACE READY This lightweight versatile training pack includes gel loops and a gel trash stash pocket so you can stay fueled while you keep pace. NEW ADDITIONAL STORAGE External stow away loop through design offers additional storage for shirt towel. POCKETS GALORE Various pockets including front expandable stretch, compact and large zippered pockets to carry your smartphone and any other small essentials