Dunlop Biomimetic F 4.0 Tour

Best for Advanced Players

The tech: A dimple-textured surface application inspired by sharkskin is strategically applied to the frame to reduce wind drag, for more racquet-head speed.

Leach's take: "Great control and maneuverability – it's really tailored to today's power game, and excellent for fast volley exchanges at net. The sweet spot is a bit demanding, but the crisp feel on ground strokes makes up for it." [$210;]