"The P60 series straight midsize profile reduces wrist impact and improves grip pressure which is suitable for those seeking a repeatable and confident putting stroke. Constructed with a multi-layer EPS Foam compound core with a carbon weave surface which provides an exceptional feel.”Both the NO1 P90 and NO1 P60 share a unique “carbon weave surface.” It not only looks cool, it gives your hands some sensation beyond the normal smooth rubber grip”-Plugged in Golf Review 2/3/23"