About Positive Drive Fins
Unique Fin that can be used for all stroke, including breaststroke kick. Improve kick technique and add power with the PDFs ellipsoidal blade and offset footpocket. Promotes proper foot position, increases flexibility, ergonomic for increased comfort, reduced arch and toe stress, closed toe. Adjustable rubber heel strap and foot shaped pocket for a perfect fit. Soft rubber reduces rubbing and cutting associated with other fins. Recommended for experienced swimmers, not for open water or racing. Great for training - easy to do push offs and flip turns. Unisex.
Fin sizes are in Men's shoe sizes
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