Main compartment: 10? high x 4? diameter, padded, with drainage grommet * Frontal: 6? x 3? x 1.5? with elastic retention * PALS attachment webbing: Front and sides * Attachment1: D-rings for optional shoulder strap; 5" tacties and Keyper quick release hook on back * Available colors: Black, OD Green, Khaki, Foliage Green