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?

After a lot of research, it's all still trial and error. My son will be 5 in a few days. He just updated his sneaker size to Nike 12C (12 children). The XXS Finis fins are too small, but just barely. He'd be much better suited for the XS size. He has high arches and ridiculously wide feet.

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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Long Floating Swim Training Fins for Kids - Improves Kick Technique & Body Position

Product ID: 1792118

Details

Brand
FINIS
Color
Blue/Lime
Fit Type
Regular
Material
Rubber
Sport
Swimming

⚡Enhanced forward propulsion

🌊Max buoyancy for effortless leg lift

🦶Ergonomic long rubber blade for kick precision

₨2187

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Description

🌟 Swim smarter, kick stronger, float farther!

KICK LIKE A PRO - Long blade design trains hip-driven kicks, not knee kicks, for elite technique.
DURABLE EASY CARE - Made from premium rubber, quick to rinse and air dry—built to last through every swim session.
FLOAT ABOVE THE REST - Buoyant fins lift legs to surface, perfecting body alignment and reducing drag.
VERSATILE TRAINING TOOL - Perfect for beginners to advanced swimmers, providing instant feedback on kick elongation.
CONFIDENCE IN EVERY STROKE - Ideal for kids of all skill levels, boosting swim confidence and skill simultaneously.

FINIS Long Floating Swim Training Fins for Kids are expertly designed rubber fins that maximize buoyancy and forward propulsion to improve kick technique and body position. Ideal for swimmers of all ages and abilities, these fins lift the legs to reduce drag and teach proper hip-driven kicking. Lightweight and durable, they provide essential feedback for skill development while boosting confidence in the water.

Specifications

ASIN	B001M0O4WM
Age Range Description	Kid
Best Sellers Rank	#7,956 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #10 in Swimming Training Fins
Brand Name	FINIS
Closure Type	Pull-On
Color	Blue/Lime Green
Customer Reviews	4.6 4.6 out of 5 stars (2,581)
Fit Type	Regular
Global Trade Identification Number	00616323200777
Included Components	Long Floating Fin 8-11 Blue/Lime Green
Item Dimensions L x W	20.98"L x 10.98"W
Item Type Name	Long Floating Fin 8-11 Blue/Lime Green
Item Weight	0.36 kg
Manufacturer	FINIS
Manufacturer Part Number	1.05.037.01
Material Type	Rubber
Model Number	1.05.037.01
Number of Items	1
Sport Type	Swimming
UPC	616323200777
Unit Count	1 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₨2187

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Fantastic experience overall. Will recommend to friends and family.

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