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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FINIS Long Floating Fins

Product ID: 1792118

Details

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

⚡Enhanced forward propulsion for faster kicks

🌊Max buoyancy for perfect body alignment

🦶Comfort-fit pull-on design for secure wear

S/.379

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🌟 Swim smarter, train stronger, and lead the pack!

EFFORTLESS FIT - Pull-on closure keeps fins snug and secure, so your swimmer stays focused on the stroke.
FLOAT LIKE A PRO - Buoyant fins lift legs to surface, optimizing body position and reducing drag.
KICK WITH CONFIDENCE - Designed to improve kick technique, helping young swimmers build power and endurance.
UNIVERSAL TRAINING TOOL - Perfect for kids of all skill levels, providing instant feedback to elongate every kick.
COMFORT MEETS PERFORMANCE - Soft yet durable rubber ensures blister-free training sessions that last.

FINIS Long Floating Swim Training Fins for Kids combine high buoyancy and ergonomic design to elevate young swimmers' kick technique and body position. Crafted from durable rubber with a comfortable pull-on fit, these fins reduce drag and enhance forward propulsion, making swim training more effective and confidence-boosting for kids of all abilities.

Specifications

ASIN	B001M0O4WM
Age Range Description	Kid
Best Sellers Rank	#6,692 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #11 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 (2,582)
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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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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S/.379

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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