What grip should i get on my golf putter?

ok so i have a odyssey white hot #2 (its an older club) with the original grip on it but i dont like it because it is squishy so it will not me let feel my putts if it matters im 12 and the distance from my wrist to the tip of my middle finger is 17 1/2 centimeters (7 inches) what would be an ideal putter for me tell me any more information you need to know and ill get back to you as soon as i can.......................thanks