Nathan Soft Flask with ExoSpine 18oz Crazy Compression Experience top-tier sun protection with

Experience top-tier sun protection with the Noonan long sleeve rash guard

Made with Recyled Materials

Groomed trails

and supports leg muscles to keep runners feeling strong and light

Nathan Soft Flask with ExoSpine 18oz Crazy Compression Experience top-tier sun protection withFlask features Nathan's ExoSpine for structure and stability Bite valve features high flow domed post and blaster compression system that control the water distribution when you use it. Max Fill design with wide flange and 3D bottom shape for more volume in shorter dimension Flexible design shrinks as you drink reducing the movement and easily packs away when empty. Works great with all NATHAN hydration vests, packs, and wide compression belts