Authentic National Parks Foundation: Showcase your favorite park with the only 100% authentic National Park Foundation hydration backpack.
Satisfy Your Thirst For Adventure: Lightweight and comfortable; This hydration pack is a terrific companion for all your day-long or overnight hydration needs
Leakproof Hydration Bladder: Included is a 2-Liter fillable water bladder; Durable, kink-free sip tube and push-lock cushioned bite valve; Large 2-inch (5 cm) opening for ice and easy cleaning.
Customizable Comfort: Backpack for men, women, and youth; Adjusts to fit all frames comfortably; Notched foam stabilizer and mesh covering means you can wear this pack for hours.
Hiking/Cycling/Running/Skiing With Ease: This less than 2 lbs lightweight water backpack features an ultra-elastic 3D breathable padded back, adjustable chest and waist straps to provide comfort and stability for all body sizes. This day pack has got you covered for all your adventures.