How many times have you been out on the trail and needed just a little bit more room beyond your pack? The Osprey Daylite Backpack is a great solution. You can use it as an add-on to your main pack or take it along on longer trips for quick summit hikes during the day. Alternately, this makes a great small daypack for school, bike rides or kayak trips when you just need to carry a few things. Made of tough-as-nails nylon, the Daylite has over 750 cubic inches of capacity, a comfortable back panel, a zippered pocket in front and a laced bungee cord for keeping extras secure. The Osprey Daylite comes equipped with several special buckle attachments designed specifically so you can conveniently and easily piggy-back onto a larger pack. With its light weight and versatility, the Daylite Backpack is pretty darn handy. Compatible with the following Osprey backpack series: Argon, Xenon, Aether, Ariel, Exposure, Sojourn and Porter.