The Suntan Underground
Black Bio / Deep Rose
Shipping & Returns
Order Process Time
- Most orders ship within 1-2 business days after we receive your purchase (business days exclude weekends and holidays).
- During high-volume periods shipping may be delayed by 2-3 business days.
- Pre-order ship windows vary and are noted on the individual product page.
- Contact us if you have any questions about when your order will ship.
**We are unable to make any changes to an order once it has been placed.**
U.S. Shipping
- FREE shipping on all domestic orders $50+. $5 flat-rate shipping available for orders under $50. Orders will arrive within 3-5 business days from the ship date.
- Faster shipping available for a $10 flat-rate. Orders will arrive within 1-3 business days from the ship date.
- Rush shipping available for a $25 flat-rate. Orders will arrive within 2 business days from the ship date.
- Overnight shipping is available for a $35 flat-rate. Orders will arrive within 1 business day from the ship date.
**Business days exclude weekends and holidays.
International Shipping
- FREE shipping on all international orders $75+. $10 flat-rate shipping for international orders less than $75. Orders will arrive within 1-2 weeks from the ship date.
- $35 expedited shipping is available for international orders via UPS. Orders will arrive within 3-5 business days. Please note that customs processing times are out of our control and may cause additional delays.
**Duties and taxes may apply and will be collected by the shipping carrier upon delivery. These fees are determined by your local government and are separate from any shipping fees paid.
Returns & Exchanges
- We offer FREE returns & exchanges for full refund or store credit on all U.S. domestic orders when claimed within 14 days of your order being delivered. Click here to initiate a return. Only one return/exchange can be created per order.
- International returns can be returned for a refund to the original form of payment or store credit only. We'll refund your order if you cover the return shipping cost within the same 14 day window. Unfortunately, we can't offer free returns or exchanges on international orders at this time.
- Items marked "FINAL SALE" are not eligible for return or exchange.
Fit
The Suntan Underground is a classic sized frame that favors medium and large sized heads. It has a retro tilt that's common in vintage styles.
Size & Fit Details
Size & Fit Details
Measurements
Frame Height
46 mm
Frame Width
141 mm
Lens Width
47.3 mm
Nose Bridge Width
23 mm
Temple Length
145 mm
Nose Bride Width
Frame Height
Lens Width
Frame Width
Temple Length
Fit
Frame Fit
Medium - Wide
Hinge Type
Traditional
Hinge to Hinge Distance
130.9 mm
Hinge to Hinge Distance
Designer's Notes
The Suntan Underground is a classic sized frame that favors medium and large sized heads. It has a retro tilt that's common in vintage styles.
Description
Inspired by iconoclasts of yesteryear, this classic frame stands the test of time.
Materials
Handcrafted bioacetate frames—biodegradable, plant-based, earth-friendlier. Rx-ready.
High clarity CR-39 lenses with 100% UVA/UVB protection.
Optical-grade, stainless steel hardware. 5 barrel hinges. Wire cores for added strength and superior fit.
Featured Review
They fit well and nice quality. Good job!
Featured Review
Great fit. Like the red lenses. Lots of compliments!
Marley J. in Deep Rose Bio
How would you describe your face width? Medium
All reviews (125)
Slide 1 selected
125 reviews
- Chris S. L.Verified BuyerHow would you describe your face width? WideWhat do you like about your shades? Often complimented, High qualityFeb 13, 2026How would you describe your face width? WideWhat do you like about your shades? Often complimented, High qualityReviewingThe Suntan Underground - Deep Rose BioRated 5 out of 5 starsGot as a gift and they were a huge fan
I gave these to a friend as a gift and they loved them
- Anthony C.Verified BuyerHow would you describe your face width? MediumWhat do you like about your shades? High quality, Often complimented, Great value, DurableFeb 12, 2026How would you describe your face width? MediumWhat do you like about your shades? High quality, Often complimented, Great value, DurableReviewingThe Suntan Underground - Lunar Tortoise Bio PolarizedRated 5 out of 5 starsClassic
When you want a classic style, for a drive along the California coast these are the ones. Gave my wife a matching pair and she off to LA wearing these.
- Henry F.Verified BuyerHow would you describe your face width? WideWhat do you like about your shades? Often complimentedFeb 10, 2026How would you describe your face width? WideWhat do you like about your shades? Often complimentedReviewingThe Suntan Underground - Deep Rose BioRated 5 out of 5 starsGreat fit
Awesome sunglasses and perfect fit for my big ass head.
- Eli N.Verified BuyerHow would you describe your face width? WideWhat do you like about your shades? Great value, Durable, High qualityFeb 7, 2026How would you describe your face width? WideWhat do you like about your shades? Great value, Durable, High qualityReviewingThe Suntan Underground - Lunar Tortoise Bio PolarizedRated 5 out of 5 starsBig Head Gold
I tried a few different models of other crap eyewear glasses and they felt too small for my big head but these fit great! They look cool and compliment my rounder face well. Liked em so much I got the green color as well!
- Ian H.Verified BuyerHow would you describe your face width? MediumWhat do you like about your shades? Durable, High quality, Often complimented, Great valueDec 6, 2025How would you describe your face width? MediumWhat do you like about your shades? Durable, High quality, Often complimented, Great valueReviewingThe Suntan Underground - Lunar Tortoise Bio PolarizedRated 5 out of 5 starsGo-to sun glasses
I’ve been wearing these for years. Classic look, well made, sustainable, and half the price of comparable sun glasses. They check every box.
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228 Main St. #14,
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