High-flow Blaster bite valve with shut-off. Air Mesh suspended backpanel. Removable DK Impact CE-certified Spine protector included. Breathable ergonomic shoulder straps. Roll top and side access. Deployable helmet carry fits full face or trail styles. Deployable armor carry straps. Quick stash zippered side pocket. Fleece-lined sunglass and phone pocket. Internal organizer pockets. Magnetic hydration hose clip. Dimensions: 19 x 12 x 8'' cu in. ( 48 x 30 x 20cm ). Reflective logo. Material: Nylon.