Aduro Sport 1.5 liter Hydration Backpack

LIGHT-WEIGHT, EASY TO USE, FILL AND CLEAN - Easy to fill the bladder with lots of pocket space for storage and plenty of room for water, includes straps that are comfortable to wear on your back PERFECT SIZE FOR DAY HIKES & MOUNTAIN BIKING - Includes a safety whistle built into the buckle for use in emergencies, and reflective trims that increase your visibility at night A PERFECT GIFT FOR YOUR HUSBAND, WIFE OR KIDS