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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🌟 Elevate your swim game—float, kick, and dominate every lap!

EFFORTLESS WEAR - Pull-on closure ensures quick, secure fit so you can dive in without delay.
KICK LIKE A PRO - Long blade design elongates your kick, building power and efficiency with every stroke.
FLOAT ABOVE THE REST - Buoyant fins lift your legs, reducing drag and perfecting body alignment for a sleek swim.
UNIVERSAL SWIM UPGRADE - Versatile fit for all ages and skill levels—because elite training should be accessible.
FRESH SALTWATER READY - Durable materials float in any water type, keeping your training consistent everywhere.

FINIS Long Floating Swim Fins are expertly engineered training fins designed to improve kick technique and body position by maximizing buoyancy and forward propulsion. Suitable for all ages and skill levels, these lightweight, pull-on fins reduce drag by lifting the legs to the water surface, enhancing alignment and efficiency in both fresh and saltwater environments.

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Age Range (Description)	Adult
Closure Type	Pull-On
Product Dimensions	20.98"L x 10.98"W
Global Trade Identification Number	00616323200777
Manufacturer	FINIS
UPC	616323200777
Item Package Dimensions L x W x H	15.98 x 10.35 x 2.52 inches
Package Weight	0.37 Kilograms
Item Dimensions LxWxH	20.98 x 10.98 x 2.01 inches
Item Weight	0.36 Kilograms
Brand Name	FINIS
Model Name	Long Floating Fin 8-11 Blue/Lime Green
Suggested Users	""
Number of Items	1
Part Number	1.05.037.01
Model Year	2015
Style	Blue/Lime Green
Included Components	Long Floating Fin 8-11 Blue/Lime Green
Size	XXXS (Jr. 8-11)

FINIS Long Floating Swim Fins - Training Fins for All Ages - Improves Kick Technique & Body Position

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