When tennis becomes part of a child’s weekly routine, the right racquet size matters more than ever. The Yonex JUNIOR 21 Ocean Blue is a 21-inch model intended for children around 100-115 cm tall, typically ages 4-6. Its aluminium construction has a nominal 185 g weight, appropriate for sessions built around practising the same simple movement again and again.
ISOMETRIC head geometry aims to create a larger effective hitting area, a helpful idea for beginners still judging distance and timing. The head is exactly 85 square inches and the string pattern is 16x16. Illustrations along the shaft and rim add playful cues that children can use to recognise a ready position and other basic tennis habits. They are a thoughtful way to make instruction memorable without making the racquet seem like a substitute for practice.
Ocean Blue shares the same specifications as Coral Orange. For someone who has outgrown a shorter model, JUNIOR 21 can be the next sensible length as long as the swing still feels natural. Its role is to encourage a steady learning rhythm, not to promise adult-level power or competitive results.
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