Product Colors and Sizes

  • Black Friday product
  • New Deal product
  • Cyber Monday product
  • Sale product
  • Best Seller product
  • Ecodesign product
  • New product
  • Staff Pick product
  • In The News product
  • Innovation product
  • product

Nabaiji B-Fast 900, Swimming Goggles

Sale price: $20.00 Regular price: $39.99

B-Fast goggles are designed for advanced swimmers. EXCLUSIVE INNOVATION: Micrometric nose bridge adjustment and compact frame design for perfect stability.

Color: Select a color
Size: Select a size
Sale price: $20.00 Regular price: $39.99

Free returns

Free shipping over $35

Free pickup

San Francisco, 735 Market St. Options

Select an available color and size to see options.

Model: 8547684

Product Features

A photo of the Nabaiji B-Fast 900, Swimming Goggles in use

Nabaiji B-Fast 900, Swimming Goggles | Designed for the training and competition racing of expert swimmers. Developed in partnership with Olympic medalist Fabien Gilot. Anti-fogging treatment.

B-Fast goggles are designed for advanced swimmers. EXCLUSIVE INNOVATION: Micrometric nose bridge adjustment and compact frame design for perfect stability.

Field of view

Very wide field of vision 135°<X<150°.


Micrometric nose bridge adjustment, split head strap with buckle at the back.


Full stability thanks to compact size and hydrodynamic shape of the lenses.


Anti-fog treatment on the inner surface of the lenses.


Very flexible seals with a great adaptability to fit the face.

Product Lifestyle Image Gallery

Image Gallery

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime

Product Customer Reviews

Skip to reviews
457 Reviews
Write a Review 

Nabaiji B-Fast 900, Swimming Goggles,neon lemon lime
Filtered by reviews Loading reviews…
Very good googles

I find these googles lasted at least two years before they start to leak. The anti-fog lasts for several swims before I need to apply anti-fog spray.

icon-circle-checkmark verified purchase
Good buy

Comfortable and easy to adjust. Does fog up at the begining of the swim but it clears away after a little bit.

icon-circle-checkmark verified purchase
Comfortable fit

I have never experienced goggles that actually keep fog and water out, but these do. Suction is good and fits comfortably, which is important because I swim in a brackish river.

icon-circle-checkmark verified purchase
Excellent and perfect

Very good price and quality I was struggling to find a goggle that suite my eyes and not to take them on and off during swiming to empty them from.water ..anti fogging still working aftet 2 months use ...

icon-circle-checkmark verified purchase
Fixed bridge

Not customisable as in the nose bridge is fixed, poor fit. Returns for refund

icon-circle-checkmark verified purchase

Just picked these up on click and collect. Spent the day out got home and opened them up they may be in the sale but these look like they are second hand and have done more lengths than Adam Peaty. They are scratched and the antifog coating is also clearly damaged right in the middle on one lens. I put them on and they are smeared all over. Fit for the bin. It's a shame I can't attach the photos I have just taken .store is 40 minutes away so I've basically just poured my money down the drain. Thanks decathlon! Can someone from customer service please contact me?

icon-circle-checkmark verified purchase
Poor fit for me

Tried a number of fittings but they keep letting water in. Every length have to empty them. Disappointing purchase.

icon-circle-checkmark verified purchase
Excellent product

Comfortable, clear, good field of vision, no leakage. Great value for money !!!!

icon-circle-checkmark verified purchase

Very good

icon-circle-checkmark verified purchase
Not that good

Water sweeps through the googles and feel after that is very discomforting

icon-circle-checkmark verified purchase

Hello Saif,

Thank you for rating the 8547685 - SWIMMING GOGGLES B-FAST 900.

Your feedback is important for us to improve our products year after year.

I apologize for the bad experience that you have faced with the SWIMMING GOGGLES B-FAST 900. Ideally, all our products have 2 years warranty, which means that we stand by the quality of our products. We have a quality check on our costumes before sending them to the stores.

This product is  for advanced swimmers looking for performance while training as well as competing Tired of having only one size nose bridge? Thanks to their innovative system with a nose bridge that can be adjusted with precision and their compact design, these goggles offer you perfect stability.

However, I see that you are not happy with the piece. For this, I invite you to any of our Decathlon stores to have the SWIMMING GOGGLES B-FAST 900 checked by our Sport advisors and provide you the best solution.

I stay available in case you have any other queries. Have a good day.

Amazing product

Amazing product

icon-circle-checkmark verified purchase
Excellent quality

Nice, comfortable

icon-circle-checkmark verified purchase
It's good

Not the best in comfort because of its small, low profile design, but it keeps the water out and I recommend it if you're serious about swimming. It includes a black coloured extra strap along with a pink one and I just wish that they provided an option with a black nose piece as well.

icon-circle-checkmark verified purchase
Poor delivery service

Code not recognized by the courier and is very hard to trace. Slow/late delivery for almost 3 weeks.

icon-circle-checkmark verified purchase
The outer layer cracked for no apparent reason.

The anti-fog film seems to be expired or what. It did not last long.

icon-circle-checkmark verified purchase
Skip to reviews

Additional Product Information



  • 100% Polycarbonate


  • 100% Rubber - Thermoplastic


  • 100% Polycarbonate


  • 100% Silicone


  • 100% Polyamide


  • 100% Polyoxymethylene

Patented innovation

Are you looking for swim goggles that are tailored to fit your face, completely watertight and that do not move as you swim, dive or tumble turn? We have the answer with B-FAST goggles thanks to a simple micrometric nose bridge adjustment system. This system lets you fine-tune the spacing of the 2 lenses using either the screwdriver provided with the goggles or the built-in tool on the back buckle.


B-FAST NABAIJI goggles are training and competition goggles approved by FINA (international swimming federation).


The appearance of fog depends on several factors, the difference in temperature between the body and the water, humidity levels, etc. Wear due to friction is one of the main causes. If your goggles fog up, dip your lenses in the water and a protective film will re-form. After a certain amount of time it is normal for the performance of the anti-fog coating to be diminished. We offer an anti-fog marker which reactivates the aging anti-fog coating and increases the lifetime of your goggles.

Care - precautions

We recommend: - rinsing your goggles (only if necessary) by simply dipping them in water - avoiding directing powerful jets of water at the inner surface of the lenses. - storing the goggles in their case after each session to prevent damage to the lenses (on the inner surface as there is an anti-fog coating and on the outer surface to prevent scratches) - not exposing them to temperatures of over 140°F DO NOT TOUCH/RUB THE INSIDE OF YOUR LENSES

Choice of size

The watertightness of the swimming goggles is dependent on the proper fit of the skirts with the shape of your face. Before purchase, we advise you to do the "suction" test without the strap. If the goggles stay on the face by themselves via slight suction, the product will be watertight during your swim. They also locate any points of discomfort of the model on your face. 1-size model with micrometric nose bridge adjustment

How to adjust your goggles

Swimming goggles suited to the shape of your face do not need to be worn tight. Goggles that are too tight can cause discomfort, leave marks and sometimes even let in water. There is no need to press on the lenses with your hands, a slight suction effect is generally enough for most swimming sessions without letting water in. The straps should ideally sit 0.8" to 1.2" above the ears. This is the best position for hold and comfort.

Lens tint

The color of your goggles should be suited to your swimming location and its lighting. If you practice outside or in a pool with harsh lighting, prioritize goggles with smoky lenses to limit the glare for greater comfort. If, however, the pool is quite dark with low lighting, winter evenings for example, use clear lenses. The B-FAST swimming goggles are available in different lens tints.

Uv protection

Complies with standard: Q/BT 4734 - 2014, all the Nabaiji swimming goggles protect against harmful UVA and UVB rays when used normally, regardless of the lens tint. Looking directly at the sun is dangerous and can lead to irreversible eye damage.



Product testing

Nabaiji swimming goggles comply with PPE regulation 2016/425. Our products are tested and approved by independent laboratories. Goggles intended for swimming at the surface.

Storage instructions

Put the swimming goggles back in their box after use. Important: do not touch the inner surface of the lenses as this could destroy the anti-fog treatment

Superior quality. Unbeatable prices.

For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.

Decathlon makes the difference
  1. product-research

    Research and development

    delivers high-quality cost-effective products

  2. State-of-the-art production processes

    minimize manufacturing costs

  3. Optimized supply chain

    reduces retail prices

  4. laptop-checkout

    Minimal retail footprint

    lowers overhead and indirect costs


Size Guide Visual