The BERG Champion has been developed with great attention and care. It is cleverly designed for long and safe jumping. The combination of the TwinSpring Gold springs and the AirFlow jumping technique ensures less air resistance, a larger jump area and more jumping fun! Airflow Higher jumps mean more fun. BERG have developed the AirFlow technique to enable you to make higher jumps. This jumping mat allows 50% more air permeation compared with a standard jumping mat. Good AirFlow ensures less resistance while jumping, which is why you can make higher jumps. Twinspring Gold The perfect jump area is that optimal part of the jump mat which results in the best jump experience. Jumping outside of this area results in a sense of feeling as if you are being pushed towards the inner part of the trampoline. Trampolines comprising of TwinSpring Gold Springs are mounted in the shape of a \'V\'. This allows for larger perfect jump area compared to trampolines that are sold with a conventional spring. The oval shape The oval shape combines the efficient strength of a round frame with the large jumping surface of a rectangular trampoline.