Arvano Hydration Backpack Cycling Rucksack With Water Bladder 2L For Men Women, Lightweight Running Backpack With Insulated Compartment, Small Bike Backpack For Hiking, Mountain Biking, Skiing

Versatile and Practical Design: Constructed with rugged ripstop nylon and sturdy metal zippers, this hydration backpack is perfect for mountain climbing, biking, skiing, and running, ensuring it can face up to the rigors of any adventure.
Comfortable and Adjustable Fit: Featuring adjustable shoulder, waist, and chest straps, together with a padded mesh back panel, this running backpack provides a customized, comfortable, and ventilated carry for extended use.
Efficient Organization: The main compartment includes a tablet sleeve and safe-zip mesh pocket, plus two side pockets, a ventilated hip belt with pockets and a front elastic bungee system for additional storage, keeping all of your essentials organized and accessible.
2L Hydration Bladder Included: Stay hydrated on the go with the included 2-liter BPA-free water bladder, featuring a very easy-to-use bite valve that delivers a fast water float and may not leak or drip on your shoulder when closed, and a large opening for ice addition and cleaning, ensuring fresh-tasting water all day long.
More Functions: Reflective details make stronger visibility in low-light conditions, and a security whistle on the sternum strap ensures you’ll be heard in emergencies. The mountain bike backpack also includes an integrated helmet holder and hydration system.