Maximum power with highest comfort. Nearly the same as a gut string. The Babolat Xcel technology stands out due to its excellent playing feeling. Looking out for a comfortable string with perfect power transmission? Then the Xcel is without doubt the correct choice. The very elastic poly amide fibres assure maximum arm friendly power. It is not just a few players who compare the playing feeling of Xcel to a natural gut string. The secret lies in the unique Matrix combination of poly amide fibres. Make sure you get the playing feeling of Babolat and enjoy the perfect combination of power and comfort! Highlights: a comfortable synthetic string for all levels of play. assures the right balance between power and control. very durable and arm friendly. patented multiple polyurethane string.