• 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
• CHOOSE A BLADDER SIZE TO STORE 3L / 2L / 1.5L of water in your day pack - the hydration pack backpack has a heat-sealed water bladder bag to prevent leaks and adjustable shoulder straps
• A PERFECT GIFT FOR YOUR HUSBAND, WIFE OR KIDS - This well made comfortable pack works great and uses good quality materials making it a great value that will make your loved ones very happy & safe while using it
• BACKED BY ADURO SPORT LIFETIME 100% SATISFACTION PLEDGE - If you ever have any issues with this product, simply let us know and we'll resolve it quickly "