Positive Drive Fins | Four Stroke Training Fins size:L and securely close the buckle

and securely close the buckle

This snorkel is designed to reinforce head alignment

13cm wide side trunk (14cm for larger sizes)

size up if you are extremely tall

Positive Drive Fins | Four Stroke Training Fins size:L and securely close the buckleThe Positive Drive Fins (PDFs) use a unique ellipsoidal blade to generate correct propulsion in all four swim strokes. The asymmetrical blade design allows the swimmer to build power while promoting a natural inward supination kick style for butterfly, backstroke and freestyle. The PDFs use an ergonomic foot pocket to comfortably place feet in an ideal swimming position. The heel strap secures the fin, allowing feet to flex more naturally. A closed