We’re engineered for fly anglers. Not shareholders.
| Angler-tuned design |
Angler-designed & field tested
Designed with fly anglers; field-tested to read water, cut surface glare, and track line/flies and stay on for long hours fog-free. |
Fishing-focused |
Outdoor / performance |
Offshore focus |
Lifestyle / general |
| Optics — impact resistance |
ZEISS, ANSI Z87.1 rated
|
Not ANSI rated (varies) |
Not ANSI rated |
Not ANSI rated |
Not ANSI rated |
| Optics — fly-fishing performance |
ZEISS Sustainable Polyamide, engineered for fly fishing
All use premium polarized lenses with coatings for water, oil, and glare resistance. Marble’s ZEISS optics offer superior clarity and filtration, purpose-tuned and tested for fly fishing. |
Glass / Nylon + Blue Light Filter |
ChromaPop™ Polarized Lenses |
580G / 580P Polarized Lenses |
PolarizedPlus2® Lenses |
| Transparency in manufacturing |
Open supplier disclosure (ZEISS, Plastinax)
We name our partners and materials (e.g., ZEISS sustainable polyamide lenses; Plastinax bio-polymer frames). Public supplier detail from other brands is limited. |
No public disclosure |
No public disclosure |
No public disclosure |
No public disclosure |
| Bio content (frame / lens) |
~70% / ~60%
|
Partial |
0% / 0% |
~40% / 0% |
0% / 0% |
| Ownership |
Independent, angler-founded
Marble is independent and angler-founded. Smith (Safilo), Costa (EssilorLuxottica), and Maui Jim (Kering) are within global groups; Bajío operates independently. Policies and product decisions can reflect ownership structure. |
Independent (ex-Costa) |
Safilo Group |
EssilorLuxottica |
Kering Group |
| Price (USD)
Pricing reflects Marble CHASM vs. Bajío Nato, Smith Guide’s Choice, Costa Reefton Pro, and Maui Jim Keha at the date noted below. Taxes, RX options, and promotions may affect final price. |
$179
|
$240 |
$255 |
$290 |
$320 |
Comparisons reference Marble CHASM and: Bajío Nato, Smith Guide’s Choice, Costa Reefton Pro, and Maui Jim Keha—premium models commonly used in fly fishing envirenments. Data is based on publicly available manufacturer materials as of October 2025 and may change.