Patent ID: 7044865

Claim:
A golf ball, which comprises a center, a mid layer, a cover and numerous dimples formed on the surface of the cover, wherein thickness of the mid layer is 0.5 mm or greater and 4.0 mm or less, Shore D hardness of the mid layer is 55 or greater and 70 or less, a base polymer of the cover includes a thermoplastic polyurethane elastomer as a principal component, Shore D hardness of the cover is 30 or greater and 55 or less, difference (H m −H c ) between Shore D hardness H m of the mid layer and Shore D hardness H c of the cover is 5 or greater and 40 or less, surface area occupation ratio Y of the dimples is 0.80 or greater and 0.90 or less, total volume V of the dimples is 300 mm 3 or greater and 700 mm 3 or less, and average volume Va that is a value derived through dividing the total volume V by total number N of the dimples is equal to or greater than 1.30 mm 3 .