Burton Day Hiker 22l Backpack Deep Emerald

The Burton Day Hiker 22L Backpack is the only backpack you need

From hydration to everyday laptop carrying needs, there's plenty of room for everyday gear and essentials for mountain days. And it all sits comfortably on your back with an adventure back panel and shoulder straps to distribute the load.
Ergonomic is Fancy for Great Fit and Function.  The Burton Day Hiker Pack's look and tech have evolved to make it the gold standard of day packs.