Description of Timbuk2 Soma Timbuk2 has been a San Francisco original since 1989. Stitch-by-stitch, bag-by-bag, we've built a solid reputation and a loyal following among real-life, hard-working bicycle messengers and cycling enthusiasts. The Soma is an elegant beast that will keep you organized and last forever. Features: Rugged ballistic nylon exterior Molded laptaop compartment Over the arm shoulder straps Organizer pockets and red key tether 13.3 (33.8cm) x 9 (22.9cm) x 1.3 (3.3cm)