I need a size large. Why is there not a size large?

I agree…. Why is small, medium, & large not an option?????

how to dertermine you size?

I use size L. I am a guy having small feet. My shoe size is 8 (the US size).

My daughter is size 12-13 in kids shoe (6 year old), does she need XS size?

check the chart when ordering I purchased xxl mens my shoe size is 11 1/2 fins fit perfect.

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FINIS Positive Drive Swim Fins for All Four Strokes - Ergonomic Fit - Adjustable Heel Strap - Yellow/Black

FINIS Positive Drive Swim Fins for All Four Strokes - Ergonomic Fit - Adjustable Heel Strap - Yellow/Black

Product ID: 3316109

Details

Brand
FINIS
Color
Yellow
Fit Type
Regular
Material
Silicone
Sport
Swimming

🎯Adjustable heel strap for custom fit

⚙️Ergonomic foot pocket for ideal positioning

🏊‍♂️Asymmetrical blade for all 4 strokes

€ 107.88

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered 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 Finland.

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Description

🏅 Elevate your swim game with fins designed for every stroke and every champion.

TRAIN LIKE A PRO - Build leg strength, increase foot speed, and improve ankle flexibility with every swim session.
POWER EVERY STROKE - Unique ellipsoidal blade boosts propulsion across butterfly, backstroke, breaststroke, and freestyle.
ERGONOMIC PRECISION - Foot pocket engineered to optimize foot placement, maximizing energy transfer and comfort.
SWIM WITH CONFIDENCE - Closed-toe design delivers superior power transfer, perfect for serious individual medley training.
CUSTOM FIT MAXIMUM FLEX - Adjustable heel strap ensures a secure yet flexible fit, enhancing natural foot movement.

FINIS Positive Drive Swim Fins feature an innovative asymmetrical ellipsoidal blade and ergonomic foot pocket to enhance propulsion and natural foot positioning across all four swim strokes. With an adjustable heel strap and closed-toe design, these silicone fins provide a customizable, secure fit that boosts leg strength, foot speed, and ankle flexibility—ideal for adult swimmers focused on individual medley training and performance improvement.

Specifications

ASIN	B00745UVK8
Age Range Description	Adult
Best Sellers Rank	#114,377 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #70 in Swimming Training Fins
Brand Name	FINIS
Closure Type	Pull-On
Color	Yellow
Customer Reviews	4.3 4.3 out of 5 stars (798)
Fit Type	Regular
Global Trade Identification Number	00616323202146
Included Components	Positive Drive Fin XS
Item Type Name	Positive Drive Fin XS
Item Weight	0.25 Kilograms
Manufacturer	FINIS
Manufacturer Part Number	2.35.100.03
Material Type	Silicone
Model Number	2.35.100.03
Sport Type	Swimming
UPC	616323202146
Unit Count	1.0 Count

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

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

5 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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€ 107.88

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered 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 Finland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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