Hydration Compartment: Bladder-Friendly Pocket Built-in dedicated pocket secures hydration bladders (sold separately in our store). Drink water without opening the bag—convenient for long rides. Outdoor Cycling: Reflective Safety Strips High-visibility reflective strips on the bag. Be seen clearly in night/low-light conditions, boosting your riding safety. Breathable Mesh: Comfortable Back Design Back mesh fabric maximizes air circulation. Stay dry and comfortable even during long, sweaty cycling sessions. Water Repellent Fabric: Tear-Resistant Protection Tear-resistant water-repellent material. Shield your belongings from light rain while hiking or cycling outdoors. Bicycle Backpack Styles: Multiple Color Options 2 styles available—Plaid (7 colors) and Color-Blocked (6 colors). Offer rich choices to match your personal style or cycling gear. bicycle backpack；cycling hydration bag；10L cycling backpack；outdoor hiking backpack；bicycle accessories bag；reflective cycling backpack；breathable bicycle backpack；water repellent cycling bag；hydration bladder compatible backpack；cycling gear storage bag；lightweight cycling backpack；bicycle riding backpack；hiking hydration backpack；cycling safety backpack；mesh back bicycle backpack；bicycle travel backpack；cycling essentials bag；outdoor sports backpack；bicycle hydration pack；cycling storage backpack