About This polyester Imported Versatile Outdoor Companion : Whether cycling, hiking, or trail running, this hydration backpack comes with a 3L hydration bladder and features a large insulated compartment to keep your water cool for hours. Two mesh side pockets offer extra space for bottles or umbrellas Hidden Helmet Holder : Stay organized with a detachable, tuck-away helmet carrier (helmet not included), perfect for commuting or outdoor adventures. Keeps your gear secure and your hands free Rain-Ready Design : A built-in rain cover stored in the bottom pocket protects your backpack during sudden downpours—ideal for unpredictable mountain trails or daily commutes Built to Last : Made from high-quality waterproof materials, this water backpack resists splashes, dirt, and abrasion—perfect for active cyclists, trail runners, and outdoor adventurers Maximum Comfort : The dual-layer ventilated back panel with thick foam padding ensures breathability and support for all-day wear—great for long rides, hikes, or runs Overview Brand : Zavothy Color : Black Material : 210D 2mm Polyester Honeycomb Ripstop Sport : Cycling, Running, Snowshoeing, camping Item Weight : 1.23 Pounds