A rucksack, a tail bag, a sissy bar bag—the robust EXFIL-80 from Biltwell seems to have covered all the bases. It will easily swallow everything you need to travel on your motorcycle for days, and the large external tool compartment (which zips off) sports padding on the exterior so you can lean against it on the bike without trashing your back. The EXFIL-80 is made of 1,680 ballistic polyester that's UV-treated and water resistant, but when you need full protection, there's an attached waterproof sleeve hidden under a zipper. Three horizontal and one vertical mounting strap mean you have options when looking to secure this unit to your two-wheeler, and additional D-rings and MOLLE straps serve as extra attachment points. The roll-top closure means easy loading and it cinches down with hook-and-loop material and side release buckles. You can get it in black or green.