A good day pack is essential to any successful hiking trip, but finding a pack that works for you can be a little trickier. I find that a good day pack blends capacity with comfort. Each year I find myself gravitating towards certain packs and this year it has been the Platypus Sprinter XT 25. There is enough room to throw in extra layers and hauls a massive three liters of water. Along with this review the good people at Cascade Designs have been gracious enough to give away a MSR Model 9 T-Shirt to a lucky winner. Check out the box at the end of the article to enter to win.