The North Face Borealis Backpack Ballistic Nylon,Mesh,Nylon,Polyester Imported The updated FlexVent suspension system features a flexible yoke built from custom injection-molded shoulder straps, an unbelievably comfortable padded mesh back panel and a highly breathable lumbar panel for maximum breathability all day long Women-specific shoulder straps are flexible so they contour to a wide range of womens body types. Features sternum strap with whistle buckle, removable waist belt, and comfortable padded top handle. Large main compartment for books and binders, front compartment with internal organization has an extra padded tablet sleeve, a pendolier and additional secure-zip pockets, and dedicated, highly protective laptop compartment External, fleece-lined pocket for sunglasses, phone or keys, updated front elastic bungee system for external storage, and two extended mesh water bottle pockets can easily double as multi-use pockets with quick-draw cell-phone access on one side. Volume: 27L, Avg Weight: 2 lbs 8.9 oz, Dimensions: 19.75" x 13.25" x 9.753" (Laptop Sleeve: 13.25" x 17.75"). Fabrics: 600D polyester toile and 500D nylon oxford slub