First Tactical Specialist Half-Day Backpack Main compartment 11" L x 17" H x 6.5" D/27.9cm L x 43.2cm w x 16.5cm D Approx. Capacity 1525 cubic inches/25 liters Weight 2.95 lbs/1.3 kg Pockets: 5 external, 3 internal 1000D water resistant Nylon