The Commuter Sport is perfect for an overnight trip and can comfortably mount to most Sport bikes. Upgrades for these bags include a quick release mounting system which can also just attach around the seat for a clean look; EVA molded lid with carbon-like accents; internal self-fastening straps to better secure your contents and they are all made using UltraMax® material for a high level of UV protection. Other features still include a flush mount reflective carry handle; mesh pocket under the lid; easy slide lockable zippers; anti-slip base material and a waterproof rain cover. - UltraMax® fabric with UV protection- Perfect size for a day’s traveling- Easily mounts to most tail sections and seats- Mounts with 4 quick release straps- Molded EVA lid with Fibertech "carbon-like" accents- Bag maintains shape; has reflective piping and a lined interior- Lockable reverse coil zippers and hi-density rubber zipper pullers- Inside self-fastening straps to better secure contents- Flush mount reflective handle and mesh- 100% waterproof rain cover and adjustable shoulder/backpack strap- Main compartment measures: 13"L x 11"W x 7"H Standard / 13"L x 11"W x 9.5"H Expanded- Holds 16.41 Liters / 22.26 Liters expanded- Fully expandable with a protective base material