The perfect outdoor companion, our Cycling Backpack is engineered for comfort and adaptability during all your outdoor adventures, such as cycling, running, climbing, hiking, and traveling. Crafted for both your sporty lifestyle and everyday use, it's an excellent present for the outdoor enthusiast. Dimensions are 18.11''x10.24''x9.06''. Designed for breathability, the back material is padded with a specialized mesh for superior comfort and effective heat dispersion. The shoulder straps feature ample sponge padding and adjustable mesh for shoulder stress relief. For added stability during vigorous cycling, waist straps are included. For all your essentials, the backpack features a large external pocket, a zippered upper pocket for smaller items, a specialized pocket for your helmet cover, and dual mesh pockets for water bottles. Internally, there's a slot for a hydration pack (not included) and a spacious main compartment. Safety features include reflective strips on the front and shoulder straps, as well as an emergency whistle on the chest strap. Crafted from high-quality, tear-resistant material, our backpack's durability is unparalleled, all while keeping the weight impressively light - enabling you to journey further with ease.