Great organization for daily use but the right size and features for day hikes too; fit specifically for a woman with a modified harness and back panel for comfort. Made from 630-denier 100% nylon (50% recycled/50% high-tenacity) plain weave; lined with 200-denier 100% recycled polyester. Both treated with a polyurethane coating and a DWR (durable water repellent) finish for water-resistance Main compartment features a padded and lined tablet sleeve and plenty of space for everything else Laptop pocket is padded and features separate access from the main compartment; fits most 15" laptops Stash pocket is perfect for sunglasses or small electronics Two large water-bottle pockets stretch to fit your favorite vessel Ultrasoft yet highly breathable mesh at back panel and shoulder harness Adjustable cording is perfect for stashing yoga mats or extra layers.