Nathan Marathon Pak 2.0 Color:Black A stretch mesh inner pocket

A stretch mesh inner pocket and side compression straps help eliminate load wobble no matter how challenging the terrain

Light BOOST – The lightest boost foam to date is 30% lighter than the previous boost compound

Features:Footshape™:- Our signature FootShape™ comfort gives your feet more space to sit naturally and is designed to address biological differences in men´s and women´s feet

Every runner knows the importance of hydration

and will resist odors

Nathan Marathon Pak 2.0 Color:Black A stretch mesh inner pocketFEATURES & 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