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Powered by Srixon. The Sonic Core series is made with Infinergy® by BASF – a super elastic material, with the benefit of being very light, the perfect match to meet the demands of the modern day player.
Infinergy® foam developed by BASF, the world’s first E-TPU, has significantly higher rebound properties to other materials such as EPP, EVA and EPE. When Infinergy® foam is combined with the Sonic Core frame the result is a faster ball speed off the racket for more aggressive shot-making. And the big sweet spot ensures a constant feeling of hitting the sweet spot, even on off-centre shots.
Play with maximum comfort. Sonic Core made with Infinergy® is located in the 2 and 10 o’clock areas of the racket, dampening impact shock and reducing frame vibrations, resulting in a more comfortable hitting sensation and a reduced chance of injury.

| size | chest(in.) | waist(in.) | hips(in.) |
|---|---|---|---|
| XS | 34-36 | 27-29 | 34.5-36.5 |
| S | 36-38 | 29-31 | 36.5-38.5 |
| M | 38-40 | 31-33 | 38.5-40.5 |
| L | 40-42 | 33-36 | 40.5-43.5 |
| XL | 42-45 | 36-40 | 43.5-47.5 |
| XXL | 45-48 | 40-44 | 47.5-51.5 |
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