Wisport Sparrow 20 II Rucksack Black Capacity: 20 litres. Loop panel on the front. Two independent compartments. Main compartment with two-way clamshell zip opening, 2 internal zipped mesh pockets, hydration sleeve and 4 attachments points for optional straps Front admin compartment with two-way clamshell zip opening, multiple sleeve pockets and elastic loops, zipped mesh pocket, D-Ring and carabiner. Front zipped pocket with zipper track cover Passage to the main compartment for a hydration tube. Fully CAMEL BAK compatible. ACS (Air Comfort System) quick detach carrying system. Redesigned dirt resistant padding on back and shoulder straps Adjustable shoulder straps with loops, elastic bands and hydration hose mounting brackets. Chest strap with quick release buckle. Strengthened back section. Sewn-in hip belt attachment points Multiple MOLLE compatible attachments points. Side and front compression straps. Bottom attachments for optional compression straps. Durable Wisport zippers with protective cover flaps