The Siskin 12 from Osprey is a technical and high-performance hydration pack that was designed for long days on the trails. This bag masterfully blends an impressive organisational capacity, a progressive, stylish aesthetic and a tough and durable construction to bring you hydration like never before. Promoting air-flow during hot and humid conditions is the comfortable Airscape backpanel. Featuring a large air channel, the panel is able to hug the body closely with a stable and comfortable fit while sustaining great levels of ventilation and cooling. A breathable, pocketed hipbelt was paired with a performance-fit harness to ensure that this pack will stay put, no matter how hard you need to pedal.Stay hydrated throughout your ride thanks to an integrated 2.5L Hydraulics Reservoir and easily access your water with a magnetic retainer on the pack’s sternum strap. The innovative magnetic closure mechanism on the sternum strap means you can use the bite-valve without taking your eyes off the trail. Featuring a large central pocket as well as multiple internal organisation options, such aside-mounted pump pockets and multiple zipped mesh pouches, there space for all your gear. The full-length opening design allows for easy access to the whole contents of your pack, ideal for when you need to fix a mechanical or find a snack bar. An adjustable front shove-it pouch is a great place to store a wet jacket or to carry a full-face helmet while including a Lid-Lock you can attach any traditional bike helmet to the bag. Use a scratch-free pocket inside the front panel to store your sunglasses or small essentials and never lose your keys again by using the pack\'s brightly coloured key clip.