This tactical outdoor pack can handle everyday outings with plenty of storage and organization.; 420 denier linear dobby polyester, 600 denier polyester canvas; Roomy main compartment with suspended, padded laptop sleeve; Air mesh padded back panels; Air mesh padded shoulder straps; Sternum chest strap; Three-tier office compartment with carabiner and zippered mesh pocket; Large front pocket for easy decoration; Exterior webbing daisy chain attachment system on front and shoulder straps; Mesh side pockets; Laptop sleeve dimensions: 11.5"h x 11"w; fits most 15" laptops; Dimensions: 18"h x 12.5"w x 5.5"d; Approx. 1,238 cubic inches