• High Flow Bite-Valve: The ‘Easy-Twist’ mouthpiece doesn’t leak, water flows fast and won't drip on your shoulder when locked, making it an ideal cycling backpack and water backpack for running, skiing, snowboarding, and trail running
• Taste-Free Hydration Bladder: Made from medical grade materials, the water bladder is free from BPA and PVC. There's nothing worse than a plastic taste in your water, this bladder keeps your water tasting fresh, all day
• Multiple Storage Options: Vibrelli's hydration backpack design has intelligent storage options and pockets without being bulky
• Comfortable & Lightweight: Weighing just 14oz (415g), this hydration pack is feather-light, streamlined, and easy to adjust, it's the perfect adult and kids hydration backpack as it adjusts to most body sizes
• Ironclad Warranty: This pack is built to last, which is why it’s backed with a 5-year manufacturer’s replacement warranty