I need replacement rubber straps for my positive idrive fins. Anyone had to do same and where did you get the rubber strap

Just looked at this The Strap is $10 the postage is $45. Cheaper to by new fins. Shame there is no European support for their goods.

Do they fit true to size? I'm 38 (eur) and can't decide whether to go for one size smaller, worry that my feet may feel too loose in 38 - 40.

true to size and quite neat so should go for 38-40. happy swimming!

I bought these already, but find they rub my toes very badly. I was considering buying socks to use with them. Does anybody have any recommendations?

Try a thin layer of vasaline or loosen the back straps a little.

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FINIS Positive Drive Fin

Product ID: 103680364

Details

Brand
FINIS
Colour
Yellow/Black
Fit type
Custom Fit
Material
Plastic
Sport
Swimming

🌀Ellipsoidal blade for all strokes

💪Boosts leg strength & ankle flexibility

⚙️Adjustable heel strap for custom fit

C$5135

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏊‍♂️ Swim Smarter, Kick Stronger, Lead the Pack!

MEDLEY MASTERY - Specifically engineered to enhance leg strength, foot speed, and ankle flexibility across every stroke.
ERGONOMIC COMFORT - Closed-toe, ergonomic foot pocket ensures ideal foot positioning and superior energy transfer.
PROPEL LIKE A PRO - Unique ellipsoidal blade powers all four swim strokes, including breaststroke—no compromises.
BREASTSTROKE BREAKTHROUGH - Safely build a powerful breaststroke kick with fins designed to optimize inward supination.
TAILORED FIT MAXIMUM FLEX - Adjustable heel straps lock in comfort while allowing natural foot flex for peak performance.

The FINIS Positive Drive Fin features a patented ellipsoidal blade that delivers efficient propulsion across all four competitive swim strokes, including breaststroke—a rarity in training fins. Its adjustable heel strap and ergonomic foot pocket provide a custom, secure fit that promotes natural foot flexion and optimal energy transfer. Designed to boost leg strength, foot speed, and ankle flexibility, these fins are the ultimate training tool for swimmers aiming to dominate the Individual Medley and improve stroke technique.

Specifications

ASIN	B00745UVK8
Age Range Description	Adult
Age range (description)	Adult
Best Sellers Rank	194,421 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 220 in Diving Fins
Brand	FINIS
Brand Name	FINIS
Closure Type	Pull-On
Colour	Yellow/Black
Country Of Origin	Malaysia
Customer Reviews	4.4 out of 5 stars 270 Reviews
Fit Type	Custom Fit
Fit type	Custom Fit
Global Trade Identification Number	00616323202146
Included Components	Instructions
Item Highlight	Ergonomic Fit, Adjustable Heel Strap, Durable Construction, Comfortable Fit, Pool and Open Water Use
Item Type Name	Swim Fins
Item Weight	0.25 Kilograms
Manufacturer	FINIS
Manufacturer Part Number	2.35.100.03
Material	Plastic
Material Type	Plastic
Model Number	2.35.100.03
Number of Items	1
Product Warranty	30 Day Limited
Sport	Swimming
Sport Type	Swimming
UPC	616323202146
Unit Count	1.0 count

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