Product: The North Face NF0A3KX6 The North Face ® Groundwork Backpack. NF0A3KX6 600D polyester / 450D x 300D heather polyester / 600D geo emboss polyester / 1200D polyester The FlexVent suspension system boasts custom injection-molded shoulder straps and a padded mesh back panel with a spine channel for maximum support and ventilation Floating padded laptop sleeve in the main compartment Front elastic bungee for exterior storage Two mesh water bottle pockets Comfortable, padded top haul handle Sternum strap with whistle buckle Contrast embroidered The North Face logo on front Average weight: 32.1 oz., Volume: 1769 in³ (29 liters) Laptop sleeve: 12"h x 14"d Dimensions: 19.75"h x 13.25"w x 7.5"d Benefits FLEXVENT BACK PANEL: Airflow channels with breathable mesh and custom-injected shoulder straps ENDORSED BY THE AMERICAN CHIROPRACTIC ASSOCIATION (ACA): Built to reduce pressure on the shoulders and back so you can comfortably carry a heavy load