New 2019 update to Babolat’s Boost racquet line. Introducing the Boost A Yellow tennis racquet from Babolat. This full-graphite racquet is ideal for the beginner player or junior player looking to move up to their first full-sized adult frame. The Boost A comes with mid-sized head size at 102 square inches and features a lightweight feel at just 260g un strung. The racquet comes pre-strung by Babolat and is easy to handle for recreational players.