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Positive Drive Fin

Positive Drive Fin

The Positive Drive Fins (PDF’s) use a unique ellipsoidal blade to generate correct propulsion in all swim strokes. Traditionally fins are not made for Breaststroke, but the asymmetrical shape and adjustable heel strap allow the swimmer to safely build power in the Breaststroke kick.
Size Chart

SKU# 2.35.100

Availability: In stock

$29.99
$29.99

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The Positive Drive Fins (PDF’s) use a unique ellipsoidal blade to generate correct propulsion in all swim strokes. Traditionally fins are not made for Breaststroke, but the asymmetrical shape and adjustable heel strap allow the swimmer to safely build power in the Breaststroke kick. The short and wide blade design also promotes a natural inward supination kick style for Backstroke, Butterfly, and Freestyle. The PDF’s use an ergonomic footpocket to comfortably place the feet in the ideal swimming position, and the heel strap to secure the fin, allowing the feet to flex more naturally. A closed-toe construction provides superior energy transfer from the leg to the foot. The PDF’s will increase leg strength, foot speed, and ankle flexibility for all four competitive swim strokes, making the fins great for training the Individual Medley event. Available in multiple sizes for a custom fit.

Download Tech Sheet


Ellipsoidal Blade
Generates correct propulsion in all kick styles
Asymmetrical Design
Promotes a natural inward supination kick cycle
Adjustable Heel Strap
Creates a customized fit that secures fin and allows the feet to flex more naturally
All Four Swim Strokes
Increases leg strength, foot speed and ankle flexibility for all four competitive swim strokes; great for training the Individual Medley event
Breaststroke Compatible
Safely build power in your breaststroke kick
Ergonomic Footpocket
Comfortably places feet in ideal swimming position
Closed Toe
Provides superior energy transfer
Available in Multiple Sizes

Customer Reviews

my favorite Fin, PDF Review by Kim
Price
Value
Quality

I have been using the PDF since the early years and I must confess I have never used a more comfortable and effective swim aid. Swimming is my sport passion. I always return to it. Swimming is the one form of exercise that I can come back to again and again, through fads, trends,and changinig times. I enjoy cross training and participating in many types of land sports. In doing so, sometimes I sustain an injury, and I return to the pool for healing and rejuvenation. If I've been a few months away, which can be the case through the holidays, come early spring I return to the water, my old friend. At this time, the PDF's help me back into a good hydrodynamic rhythm and glide, letting my shoulders ease into the load very gradually over the first few weeks. This is vital for me at 57. Once my training starts to pick up and I am gaining strength and form, the PDF's continue to tune my stroke, lengthen my reach, and extend my hydrodynamics. I use the PDF's for all strokes, free, back, breast, and fly. Especially for the fly! The PDF's honestly get me back to a swimmig form faster than any other swim aid I have used. For me, they are the single best fitness tool I can bring when I travel, even more important than my running shoes. If I had to choose between my goggles and my PDF's, well, there is no question. And they are so compact too! Oh, and the absolute best for open water, especially when there is a light to moderate chop, which there always seems to be:). As a former competitive swimmer and now a seasonal life-fitness swimmer, PDF's so comfortably enhance my technique, enable my tempo and fitness level, and increase the safety level of my open-water swimming. - Kim

(Posted on 4/25/12)

ONLY FINS I WEAR Review by maryswimz
Value
Quality
Price

IF YOU HAVEN'T TRIED THESE, DO YOURSELF AND YOUR SWIMMING A FAVOR, TRY THEM! I AM A 61 YEAR OLD FITNESS LAP SWIMMER WHO LOVES FINS. I STARTED OUT MANY YEARS AGO WITH ZOOMERS BLUE, [THE FIRST VERSION], LOVED THEM...AND THEN, OUT OF CURIOSITY, STARTED TRYING OTHERS: I BOUGHT THE POSITIVE DRIVE FINS BECAUSE I WAS INTRIGUED BY THE SHAPE. THEY HAD JUST COME OUT AND CAME ONLY IN AN ORANGE SHERBET COLOR! I LOVED THEM BUT HAD TO TRY OTHERS TOO: HYDRO TRAINING FINS I GOT AT THE SPORTING GOODS STORE[NOT GOOD], THEN GOT NEOPRENE POCKET FINS, NOT COMFORTABLE; THEN GOT FORCE FINS[$100!] AT THE URGING OF A FELLOW LAP SWIMMER. WHAT A WASTE OF MONEY. EACH NEW SET OF FINS ENDED UP IN THE BACK OF MY CLOSET AND I WENT BACK TO THESE PDFS. THEY ARE THE BEST. HAVE HAD THEM AT LEAST 10 YEARS AND THEY ARE AS GOOD AS WHEN I BOUGHT THEM.
THEY ARE CHEAP, EASY TO TRANSPORT, AND JUST AS ADVERTISED. ALL STROKE FINS FOR ALL SWIMMERS! BUY THEM---YOU WILL NOT REGRET IT!

(Posted on 3/13/12)

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