The key to a smooth commute lies within this backpack, a tough abrasion- and water-resistant design fully sealed against the elements. But, in getting from point A to point B, its compression-molded and ventilated ergonomic fit ensures you feel comfortable the whole way through, while various pockets and a laptop sleeve efficiently store and protect your most crucial supplies. . . Body is made out of polyester Repela-X fabric with a Taurpalite bottom for complete protection. Compression-molded back panel adds ventilation channels for more comfort. Load-absorbing shoulder straps use EVA for an extra-comfortable feel. Sternum straps assist with stabilizing your load. MaxLoad multi-compartment design provides both an ergonomic fit and convenience. Gear-Tec Tricot-Lined Padded Computer Compartment fits most 17