Aquasphere Training Zip Fin VX Black/Grey Size:Medium Good for strengthening

Good for strengthening

Front Lining - provides added comfort and modesty

making sure kids will be comfortable in and out of the pool

stronger and more powerful racquet

Aquasphere Training Zip Fin VX Black/Grey Size:Medium Good for strengtheningAquasphere Training Zip Fin VX Black Grey Swimming with Zip VX Fins has many benefits including increased cardiovascular conditioning and ankle flexibility. The Zip VX leverages the energy created by the fins movement through the water to produce a springboard effect that boosts swimming efficiency ensures proper body position and increases thrust. ? Leverages natural kicking motion: boosts efficiency. ? Hole in the blade: increased thrust. ? Narrow