Hydration capacity available in 2, 4, or 9 liters, the Outlander by USWE will keep you going well after you have left camp. It's slim profile, Shape-Shift bladder, and 4-point harness, make this pack a favorite amongst athletes. Race Suspension - NDM technology. 4-Point stretch harness . Ergonomic shoulder and chest straps. 100% bounce free in action. Outlander 9 Crazy Yellow, 9L