Knockaround Fast Lanes Sport Replacement Lenses by Revant Optics

	Standard	Standard Polarized	SpectraBoost	SpectraBoost Polarized
Impact Resistant Meets the ANSI Z80.3 impact resistance standard	Yes	Yes	Yes	Yes
100% UV Protection Keeps eyes safe from all damaging UVA, UVB, and UVC rays.	Yes	Yes	Yes	Yes
Scratch Resistant Protective surface coating	Yes	Yes	Yes	Yes
Fits Multiple Brands/Styles 1000’s of configurations to replace or upgrade your lenses	Yes	Yes	Yes	Yes
1 Year Warranty Protection against defects	Yes	Yes	Yes	Yes
Polarized Blocks glare from reflective surfaces like water and pavement to help ease eye strain.	No	Yes	No	Yes
Water & Oil Repellent Keeps vision clear in high-activity moments	No	No	Yes	Yes
Color Enhancing Filters specific color waves to boost details and clarity without oversaturating.	No	No	Yes	Yes

Every lens color is designed for specific light conditions. Compare tint, VLT, and ideal conditions to find your match.

Lens	Base Tint	VLT "VLT" or Visible Light Transmission refers to the percentage of visible light that passes through the lens and reaches your eyes.	Ideal Conditions
Stealth Black	Gray	12%	Bright Sun
Dark Brown	Brown	15%	Bright Sun
Gray Green	Gray Green	13%	Bright Sun
Caldera Black	Red Gray	22%	Mixed Conditions
Crystal Clear	Clear	90%	Low Light
Adapt Gray Photochromic	Clear/Gray	16-88%	Mixed Conditions
Midnight Sun MirrorShield	Gray	14%	Bright Sun
Ember Red MirrorShield	Red Gray	22%	Mixed Conditions
Fire Red MirrorShield	Brown	13%	Bright Sun
Rose Gold MirrorShield	Brown	13%	Bright Sun
Flare Gold MirrorShield	Brown	11%	Bright Sun
Borealis Green MirrorShield	Red Gray	22%	Mixed Conditions
Emerald Green MirrorShield	Brown	11%	Bright Sun
Riptide Rose MirrorShield	Pink	26%	Mixed Conditions
Ice Blue MirrorShield	Gray	11%	Bright Sun
Tidal Blue MirrorShield	Gray	15%	Bright Sun
Plasma Purple MirrorShield	Gray	15%	Bright Sun
Black Chrome MirrorShield	Gray	13%	Bright Sun
Titanium MirrorShield	Gray	12%	Bright Sun
Flash Bronze MirrorShield	Brown	20%	Mixed Conditions

We’ll email you a copy of your personalized recommendations.

Different Lens Types Explained

Make your old knockaround Fast Lanes Sport lenses like new with our replacement lenses for knockaround sunglasses. And because our lenses meet or exceed the quality of your original Knockaround Fast Lanes Sport lenses, you'll get the same performance you've come to expect.

Gray Green features a balanced gray-green view-through that cuts glare from roads and open terrain while maintaining natural contrast. It enhances clarity and visual confidence for cycling, travel, gardening, outdoor concerts, and daily driving.

Other Features We Like to Nerd-Out About

Best for bright light (13% light transmission)
Neutral tint looking through the lens
Anti-scratch protective coating
Lens material: optical polycarbonate

Comes With

1 pair of replacement lenses (left & right) for your Knockaround Fast Lanes Sport sunglasses
Protective microfiber bag for storage and cleaning
Knockaround Fast Lanes Sport lens care instructions
Note: sunglass frame not included

Better Performance.
Half the Price.

Revant
Lenses

Starting at

$24.99

Polarized Available

UV Protection

Impact Resistant

Optically Corrected

Anti-Reflective Available

60-Day Trial

New
Sunglasses

Starting at

$150.00

Polarized Available

UV Protection

Impact Resistant

High Impact Resistance
Polarized to Block Glare
100% UV Protection

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Limited Edition

Keeper™ Lite Sunglass Case

Knockaround Fast Lanes Sport Replacement Lenses by Revant Optics