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Mariana Trench 420

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Eyeglasses Costa Mariana Trench 420 S (52-18) with Demo Lens lens and Black frame Image 1 of 7
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Our Mariana Trench collection goes the distance for those seeking carefree comfort with lightweight, handcrafted acetate and Monel® frames. The line also offers a wide variety of sea-inspired colors in on-trend styles.

Key features:
Handcrafted acetate and Monel® frames
Comfortable and lightweight
Sea-inspired colors in on-trend styles

Model name: Mariana Trench 420
Item no: 6A2008 200802 52-18
Frame colour: Black
Frame fit: Regular
Size: S
Lens curve: Base 4
Size Fit Guide 1 Size Fit Guide 2
S M
1. Frame Width:
128 mm 		1. Frame Width:
132 mm
2. Bridge Width:
18 mm 		2. Bridge Width:
18 mm
3. Lens Width:
52 mm 		3. Lens Width:
54 mm
4. Lens Height:
38.5 mm 		4. Lens Height:
39.9 mm
5. Temple Arm Length:
145 mm 		5. Temple Arm Length:
145 mm

Regular Fitting

A large lens front designed to fit those with an average-sized head.

4 Base Curve

P4 Base Curve - Medium Coverage

Frames with medium-coverage and wrap that value style but still perform.

Regular Fit
Regular

Forgot Your Ruler?

Use this handy guide to gauge the fit you're looking for.

S
M

All the Way?

You might be looking for a small or medium frame.

M
L

Middle Pegs?

You might be looking for a medium or large frame.

XL

Last Two Pegs?

You might be looking for an x-large frame.

Mariana Trench 420

Mariana Trench 420

Cork Case

Soft Case