Speedo Futura Biofuse Flexiseal Triathlon Polarised Goggle — open water swim goggles
Speedo

Speedo Futura Biofuse Flexiseal Triathlon Polarised Goggle Review for Open Water

Open Water Triathlon Outdoor Swimming Lake Swimming Long Distance Swimming Fitness Swimming Polarized Smoke Medium Face Wide Face Sensitive Eye Socket Comfort Fit
Our Open Water Verdict:

Best for open-water and triathlon swimmers who prioritize soft comfort, glare reduction, and a stable fit for longer outdoor sessions. With an open-water score of 89/100, these goggles offer excellent visibility (88/100) and a reliable seal (86/100). They are also a strong choice for racing and triathlon (82/100).

Check the exact lens version before publishing, because clear, smoke, polarized, and regional variants may differ.
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Lens colors and availability may vary by seller.

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Who Should Buy This?

  • soft Biofuse-style comfort profile is useful for longer swims
  • polarized lens option targets water-surface glare
  • good crossover candidate for outdoor pool, lake, and triathlon training
  • more comfort-focused than many compact race goggles
  • Suits Medium Face face shape
  • Suits Wide Face face shape
  • Suits Sensitive Eye Socket face shape
  • Suits Comfort Fit face shape

Who Should Skip It?

  • You want the smallest possible racing goggle
  • You usually swim before sunrise or in shaded water
  • You need prescription lenses
  • not as low-profile as dedicated racing goggles
  • polarized lenses may be too dark for low-light swims
  • availability can vary by region and seller
Check Price on Amazon

Lens colors and availability may vary by seller.

Best Open-Water Conditions

  • Open Water: A versatile choice across oceans, lakes, and rivers for buoy sighting.
  • Triathlon / Race Day: Secure fit designed to withstand accidental contact during mass race starts.
  • Outdoor Swimming: Suitable for sun, wind, and varying outdoor light.
  • Lake Swimming: Performs well in freshwater with variable light and flat-water conditions.
  • Long Distance Swimming: Designed for minimal pressure during extended open-water sessions.
  • Fitness Swimming

Lens Recommendation for Open Water

  • Polarized lens: Cuts through harsh surface glare for maximum underwater clarity.
  • Smoke lens: Versatile tint for general outdoor use in moderate sunlight.

Score Breakdown

Open Water
89/100
Very Good
Visibility
88/100
Very Good
Seal in Waves
86/100
Very Good
Comfort (Long Swims)
91/100
Excellent
Anti-fog
80/100
Very Good
Triathlon
82/100
Very Good
Durability
80/100
Very Good
Racing
55/100
Limited
Beginner Friendly
70/100
Good

Not sure if this is your best match? Try the Open Water Goggles Finder — answer 5 quick questions and get a personalized recommendation.

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As an Amazon Associate, we may earn from qualifying purchases. Recommendations are based on your answers, product classification, and available product data.