SIN Eyewear Undertow
Matte Black and Grey/Smoke Polarised Lenses
1 Review
SIN Eyewear Undertow SunglassesMatte Black and Grey/Smoke Polarised Lenses
1 Review4 payments of $13.50 with 
From $10 a week with 
POLARISED
Delivery
In-StoreExpress Delivery
1-2 business days*. Free on orders over $150.
$12.95
Standard Delivery
2-6 business days. Free on orders over $80.
$8.95
Click & Collect Learn more
From four QLD and North NSW locations. See store finder.
FREE
Product Details
The SIN Undertow sunglasses are a trendy square shape with a flat top creating a cool look. SIN Eyewear’s mantra is simple – to create on-trend and affordable eyewear collections without compromising on quality craftsmanship.
Delivery & Returns
Shipping and Delivery
Standard:
- FREE standard shipping on Australian orders $80 and over.
- Metro: 2-5 business days* & Regional: 3-7 business days*
Express:
- FREE express shipping on Australian orders $150 and over.
- $4.95 for Australian orders $80 and over.
- $12.95 for Australian orders under $80.
- Metro: Next business days* & Regional: 1-2 business days*
International:
- $14.95 international shipping to New Zealand.
- $19.95 flat rate for all other international orders.
Returns & Refunds
FREE RETURNS on full price & our price orders over $150* within Australia*.
Offer excludes sale items, outlet items, and items purchased during promotions and site-wide sale events.
Full Price & Our Price:
- Free Return on orders over $150*
- Exchange or refund within 30 days.
Sale & Outlet:
- Sale items can be exchanged only and are not eligible for Free Returns. Sale items are all items with a red price.
- Outlet items are final sale and cannot be returned for a refund or exchange. Outlet items can be found in the sale section and marked with an “(O)" in the style name.
About the Brand
Shop a massive range of SIN Sunglasses online at Just Sunnies. SIN Eyewear is inspired by the pristine coastline and legendary surf breaks of Eastern Australia. Tailored for the male beach goer, you’ll be sure to find a classic piece to match your boardies. Shop a collection of polarised sunglasses for that extra protection and anti glare qualities.
Each collection is as diverse as the other made with quality materials including handmade acetate, plastic, metal and TR 90 frames harmonised with impeccable style. There is no competition for quality and cost efficiency in eyewear.
SIN Eyewear was created in 2011 with a vision to create quality eyewear with a focus on delivering a successful surf and leisure brand epitomising the Gold Coast lifestyle. Since then, SIN Eyewear has expanded its distribution across Australia into multi-branded stores without showing signs of stopping.
No matter where you live, wearing SIN Eyewear will make you feel like you’re apart of the vision.
Manufacturer's Warranty
Sin Eyewear sunglasses have a 12-month warranty against manufacturer's faults.
* General wear and tear is not covered under warranty
For more information about warranty click here:
Repairs & Warranties
Lens & Frames
The below lens and frame information is general details about the different types of lenses and frames available from Sin. Specific lens and frame descriptions are available on each individual product description. Eg: Gloss Black/Grey Polarised Lenses. If you have any further questions please contact our customer service team at: support@justsunnies.com.au
LENSES
SIN Eyewear is created with quality category 3 lenses, the highest-level category and industry standard. SIN Eyewear provides styles with polarised lenses to reduce glare off water, snow, road and other surfaces. With a range of polarised and non-polarised eyewear to choose from, have confidence in knowing your eyes are protected with 100% UV protection lenses.
LENS CATEGORIES
Category 0 - These lenses are classed as fashion spectacles and not sunglasses. They provide limited or no UV protection.
Category 1 - These are not classed as sunglasses. They do provide limited protection from the sun and some UV protection.
Category 2 - Category 2 lenses provide a medium level of sun glare reduction and good UV protection.
Category 3 - Category 3 lenses provide a high level of sun glare protection and good UV protection.
Category 4 - These are special purpose lenses that must not be used while driving at any time.
Most, if not all sunglasses sold by Just Sunnies are category 2 or 3 lenses. If you have questions about the lens category of your chosen style please do not hesitate to get in touch with our customer service team via email support@justsunnies.com.au or phone (07) 55350994.
FRAMES
SIN Eyewear frames are fitted with quality material for durability and strength. Fitted with materials such as handmade acetate, plastic, metal and TR 90, you can enjoy your sunglasses without worrying about them falling apart. With a wide range of colours and materials to choose from, you can find a pair of sunnies to suit just about any activity.
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