Simms&'; do anything, go-anywhere daypack, the Freestone fishing backpack supports the hustle with dual-access points for extricating must-grab gear, right-sized interior and exterior storage for essentials, and a built-in rain fly that defies whatever&';s threatening to turn your bag into a wet bog. Lightweight and reliable 330-denier nylon ripstop with water-repellent coating is highly durable and tears resistant* Main compartment can be accessed two ways, via the top loading lid or the U-shaped side entry* Interior features vertical stretch mesh sleeve and laptop/hydration reservoir pocket for additional organization* Padded, breathable and fully adjustable harness system features loop patch for fly storage and tool docking station* Large stretch-woven exterior pocket and loop field on face of pack for additional storage* Stretch mesh exterior water bottle pocket on wearer&';s left* Removable waist belt* Tuck-away and removable rain fly provides weather protection* Seamless integration with Freestone chest pack* Weight: 20 oz.* Fabrics: * Shell: 330D nylon ripstop with backside PU coating and face Durable Water Repellent treatment * Liner: 200D polyester * Rain fly: 70D nylon ripstop with PU coating and face Durable Water Repellent treatment