The popular Sling Bag design with added features. The volume of the main compartment is easy to adjust with the expansion gusset. Inner compartment has a pocket for a hydration pack with a feedthrough access point for the hydration tube. The waterproof pocket on the shoulder strap features a touch screen compatible, flexible window. Dimensions (WxHxD): 31 cm/23 cm/13-16 cm. Color: green/black.