V-Fuse is V-Icon natural gut hybrid with Cyclone, our popular ten-sided poly for all around playability and durability. Using V-Icon in the mains and Cyclone in the crosses players get the performance and comfort benefits of natural gut with additional spin potential. With Cyclone in the mains and V-Icon in the crosses players get maximum spin potential with more comfort from the softer V-Icon cross strings. Players who want amazing control and a comfortable feel need to try V-Fuse! Volkl V-Fuse 16g Tennis String | Multi Black | Christy Sports