do these run wide? My grand daughter has a very wide foot.

No, do not run wide. The are true to size - standard. However, they are made to stretch and flex. The rubber around the foot has to be tight, to stay on while swimming. They are generally more difficult to get on, but excellent at staying on.

How do the sizes translate to actual shoe sizes?

These run small. I always buy a 39 or 40 in Euro sizes, but these -- 36 - 42 Euro -- are too small. Had to return them and get the next larger size.

Why do these come covered in slimy stuff?

That will come off once you use it the first time or you can wash them off with some liquid detergent. It is a coating the fins come with to keep them from drying out and to keep their bright colors to look good for retail sales. It will not interfere with its wear. Lynn from Swim Zone Inc.

Hi my son is 10 years old and he used shoes size 7. Which size will be?

If you are talking about a size 7 in mens shoes, which is like an 8 or so in women's shoes, then get the L MEN 7-9. (Does he has fairly large feet for his age?) I wear a size 8-8.5 in women's shoes and got the Large size fins. They fit correctly. Plus buying a size a little too big is MUCH better than too small, because his feet will grow!

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FINIS Long Floating Swim Fins, Adult Training Fins

Product ID: 1568980

Details

Brand
FINIS
Color
Black/Red
Fit Type
Regular
Material
Rubber
Sport
Swimming

⚡Boosts forward propulsion

🌊Max buoyancy for effortless glide

🦶Ergonomic pull-on fit for all-day training

€ 161.76

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Float, Propel, Dominate: Swim Like You Mean It!

UNMATCHED BUOYANCY - Engineered to keep your legs afloat, enhancing stroke efficiency and endurance.
DURABLE COMFORTABLE - Premium rubber construction with a secure pull-on design for extended swim sessions.
ELEVATE YOUR KICK GAME - Long floating fins lift legs to reduce drag and perfect body alignment.
UNIVERSAL TRAINING TOOL - Ideal for swimmers of all levels seeking precise feedback and improved technique.
JOIN THE ELITE SWIM TRIBE - Trusted by over 11,000 swimmers with a 4.5-star rating—don’t get left behind.

FINIS Long Floating Swim Fins are expertly designed adult training fins that enhance kick technique and body position by providing maximum buoyancy and forward propulsion. Crafted from durable rubber with a comfortable pull-on fit, these fins lift your legs to the water’s surface, reducing drag and improving alignment. Perfect for swimmers of all skill levels, they are a top-rated choice (#2 in Swimming Training Fins) with over 11,000 positive reviews, making them an essential tool for serious swim training.

Specifications

ASIN	B001M0O4Z4
Age Range Description	Adult
Best Sellers Rank	#1,212 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Swimming Training Fins
Brand Name	FINIS
Closure Type	Pull-On
Color	Black/Red
Customer Reviews	4.5 4.5 out of 5 stars (11,210)
Fit Type	Regular
Global Trade Identification Number	00616323200838
Included Components	Long Floating Fin 9-11 Black/Red
Item Dimensions L x W	20.98"L x 10.98"W
Item Type Name	FINIS Long Floating Fins
Item Weight	720 g
Manufacturer	FINIS
Manufacturer Part Number	1.05.037.07
Material Type	Rubber
Model Number	1.05.037.07
Number of Items	1
Number of Packs	1
Sport Type	Swimming
UPC	720449340931 616323200838
Unit Count	1 Count
Warranty Description	30 Day Limited

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