Just the right size for a day on the go, this backpack is made from 600-denier fabric, with a coated base for extra weather protection. Light rain rolls right off thanks to water-repellent Rain Defender technology. A padded sleeve inside the main compartment holds a 17 in. laptop. A diagonal, tricot lined pocket on the exterior is perfect for storing valuables. Reflective webbing on the shoulder straps, and reflective logo make this pack easily visible when on the go. Product Features 600-denier polyester with Rain Defender durable water repellent Coated canvas base for weather resistance in key areas Stretch mesh side water bottle sleeve 17 padded laptop sleeve with elastic webbing keeper for secure fit Adjustable shoulder straps Reflective webbing, and logo, for visibility during transit Wide mouth main opening for full access Mesh pocket on interior with pen sleeve on each side Soft tricot lined diagonal zippered phone pocket on the exterior Large exterior velcro pocket with elastic key clip