capacity: SLR with attached zoom, 2–3 more lenses, flash or compact binoculars plus accessories.size (exterior): 14W x 9D x 18H in. (35.5 x 23 x 45.5 cm) bottom compartment size (interior):12W x 6.5D x 5.75H in. (30.5 x 16.5 x 14.5 cm)top compartment size (interior): 12W x 6.5D x 10.5H in. (30.5 x 16.5 x 26.5 cm)outer fabric:water-resistant 600D TXP and 600D TXP ripstop
Specifications are approximate