The oakley voyage 25 backpack is a multi purpose technical daypack featuring an interior organizer and plenty of specialized pockets sleeves and compartments which provide organized storage for everything you need to begin a busy day on the go this oakley backpack is made from 100 polyester and is water resistant offering the utmost in durability and protection the contoured eva back panel and straps make it comfortable to carry even the heaviest loads while reflective branding nylon web