AlleyOop is a Superior Trampoline.
With their patented safety systems, superior quality materials, high-density cell foam, added mat stiching, heavy gauge steel rails, ever-durable, time-tested mats and robust warranty, there's every reason to choose an AlleyOop Trampoline by JumpSport today, at Portland Trampolines.

A Safer, Better Bounce
Our DoubleBounce, Variable, & Power trampolines have patented safety systems and were engineered to improve shock absorption of the jumping surface & to smooth energy transfer between the jumper and the trampoline bed.
No Patented Safety Improvements to Protect Jumpers & Prevent Injuries. Faster deceleration = more stress on jumpers body = higher back & joint compression = increased injuries during awkward landings, etc.

High Quality Frames
Triple & Dual-Stagedâ„¢ or Extra-Stretchâ„¢ Springs & Taller Frame Height. Safer, softer, deeper bounce = less stress on jumper so the springs absorb more energy = better return, higher bounce & improved safety for kids and adults.
Stiffer springs & Shorter frame = Higher Bed Tension. Harder, shallower bounce = more stress on jumper = body must compress & bend to absorb more energy = less energy goes into springs = lower return energy = lower bounce = less safety & fun.

Additional Mat Stitching for Safety
10 Rows Mat Stitching with UV Shield to Protect Threads.
4 Rows Mat Stitching/No UV shield to protect threads

No Safer Spring Pad
Our higher density closed cell foam is 1.5" thick for AlleyOop from edge to edge.
Thin Frame/Spring Pad: Average foam thickness across pad is less than 0.65" thick, with just 1/2" foam over 65% of the pad surface.

High Quality Materials
Jet Black Powder Coat, Heavy Duty Trampoline Frame. Quality Steel, heavy 14 gauge top rail for superior strength. Blends-in, looks attractive, lifetime warranty on frame and posts.
Unattractive, silver-color, thin-steel frames. Cheap steal that fatigues quickly, rusts and then breaks.

Durable, Time-tested Mats
AlleyOop trampoline mats use the time-tested method of stitching straps and V-rings. Typical service life of 5 to 10 years.
Some manufacturers use inexpensive grommets that puncture and tear through the mat fabric during installation. The trampoline mat will likely begin to tear apart in the first year and most likely fail within two years!

Bounce Performance
20% to 30% Better Bounce Performance with Steel Springs.
Fabric Stretch-Bands give poor performance

Quality Springs
Our springs are 4 times stronger and last 5 times longer.
Flimsy Stretch-bands weaken and fatigue quickly

High Quality Pads
Our trampoline pad is separate from mat with fabric on top & bottom to protect the foam.
Trampoline Pad is permanently stitched to mat and has no bottom fabric to protect foam