-Backpack with 2 Liter Hydration Bladder -Lightweight and Durable Separate Storage Compartments -Movable Toggles to Hold Racing Number -Emergency Whistle -Multiple Separate Pockets -Gel Pack Holders -Large Opening for Filling and Cleaning Bladder -Detachable Water Tube for easy cleaning -Reflectors for Visibility at Night on Front and Back -Reinforced Zipper Pulls and Hanging Strap -Padded back and Channeling for Increased Airflow -Phone Pocket with Ear Phone Cord Hole Tested by actual Marathon Runners-Will Fit Upper Chest size up to 47″ and waist to 46″.

Product Features

• LIGHTWEIGHT AND BPA FREE – This hydration pack backpack has comfortable padding in the back. It is outfitted with a channel airflow system for comfortable extended wear, keeping your body cool, dry, and ventilated when cycling, hiking, biking, etc.
• WATER RESISTANT AND DURABLE DAYPACK – The main compartment is crafted with a high-quality rip-stop nylon – which is water resistant – so your belongings stay dry in light/medium rain. The bladder straw and hose are both removable for easy cleaning. The bladder opening is also large for easy cleaning and filling with liquids or ice. The zipper pulls and hanging strap are reinforced for durability.
• SEPARATE STORAGE COMPARTMENTS – This pack is perfect for storing things of all types and is equipped with several different pockets away from the water bladder. There is a pocket dedicated to phone storage, including a grommeted opening for headphones.
• MOVABLE TOGGLES AND GEL PACK STORAGE – This pack is one of the few equipped with toggles designed specifically to hold your racing number on race day. There is specific storage for gel packs on the hip strap, for easy access while racing.
• EMERGENCY WHISTLE – This pack is outfitted with a whistle. Located on the chest strap, it is an essential component of survival gear or could even be helpful on your daily run or walk in the park.