ASCENDER SR-81 Photochromic | Premium Anti-Fog | Open Water

Built for swimmers who chase the horizon, not the black line.

The Ascender SR-81PHPAF is designed specifically for open water and outdoor swimming, where sunlight conditions can change in an instant: from bright glare on calm water to overcast skies mid-swim. Its photochromic lens automatically adapts to UV exposure, shifting from a clear tint to a smoke tint as light intensity increases, so you get optimal visibility from your first stroke to your last, no matter how the weather turns.

Key Features:

• Adaptive Photochromic Lens – Visible light transmittance adjusts between 86% and 13% depending on UV levels, giving you clear vision in low light and reduced glare in bright sun — one pair of goggles for all-day open water swims.
• Full UV Protection – Blocks harmful ultraviolet rays to protect your eyes during long outdoor sessions.
• Premium Anti-Fog Coating – Stays fog-free through extended swims, so your vision never lets you down.
• WORLDAQUATICS Approved – Meets the standard trusted by competitive swimmers worldwide.
• Sleek Black Design – Matching black cushion and strap for a clean, low-profile fit.
• CE Certified – Meets European safety and quality standards.

Perfect for: open water swimmers, triathletes, and outdoor training enthusiasts who need one pair of goggles that performs across changing light conditions — no more swapping lenses mid-session.

Standard visible light transmittance measured per ISO18527-3.