This is the game changer to your run! The 1.6 Liter Insulated Hydration bladder is low profile to reduce sloshing and it keeps your water colder for longer. No matter how hot the day is, you can be cool with this BPA free bladder with a high flow bite valve and large, easy fill opening. It's as simple as ready, set, go when you can slide your bladder into your favorite Nathan Race vest.

• Compatible with most Nathan® Hydration Vests and Packs
• Includes quick release hose for convenient cleaning and set up
• Insulation keeps water cooler 38% longer
• Large opening allows for easy fill and cleaning
• Low-profile hour glass design to reduce sloshing during run