The Syncro 5 bike backpack from Osprey is an innovative backpack designed to accompany you during your mountain biking outings. The Syncro 5 backpack is made with an AirSpeed™ back panel and a lightweight LightWire™ frame, providing excellent ventilation, maximized by the opening that allows air to circulate along the back. Say goodbye to back sweat with the Osprey Syncro 5 backpack. The breathable BioStretch™ straps also contribute to better ventilation. You'll forget you're wearing a backpack during your bike rides or hikes. Its streamlined profile and bike helmet attachment LidLock™ make the Syncro 5 an ideal backpack suited for all types of sports and for anyone looking for an effective and versatile solution to carry their gear. The spacious compartments and hydration pocket of this backpack are thoughtfully designed to provide you with unprecedented comfort during your mountain adventures. The webbing belt ensures good load stability when you encounter technical trails. It won't get in your way. Weight: 600 g Dimensions (cm): 45L / 27W / 17D Material: 100D Nylon Honeycomb AirSpeed™ trampoline mesh back system Organizer pocket in the front panel Integrated and removable rain cover Internal hydration sleeve LidLock™ bike helmet attachment Stretch front pocket Scratch-free pocket for glasses and electronics Osprey Syncro 5 - Cycling backpack - Men's