The AlleyOop Sports® line of trampolines combines superior quality throughout with the most advanced safety engineering to create the world’s best backyard trampoline systems. All of our AlleyOop Trampoline Systems come with our strongest safety enclosure, employing our Triple-Fail-Safe™ backup system. Take your Alleyoop Variable Bounce to the next level with Power Bounce. These super-staged springs and Power Arm adjustable linkage allow you to choose the setting to provide the best combination of shock absorption and performance for your trampoline. This state-of-the-art technology improves both shock - absorption and bounce performance. It's the first and only single-bed trampoline that can be tuned for different age, weight, and skill levels, yet it also broadens the performance spectrum so that jumpers with a wider range of weights