FREQUENTLY ASKED QUESTIONS

If your inquiry is not listed, Please don’t hesitate to email us at hello@kindsigma.com any time of the day and we will get back to you during our office hours from 10am – 5pm GMT.
Do you have a store where I can try on your sunglasses?

While we don’t yet have a flagship store, we’re actively working towards establishing one in the near future. In the meantime, we’ve already begun partnering with local and international concept stores to feature our products, and we’ll be announcing these partnerships soon on our social channels.

Do all KINDSIGMA™ sunglasses have 100% UVA+UVB (UV400) Protection?

Yes! All our sunglasses are provided with 100% UV (UV400) protection. It's important to understand that the color or the darkness of the lenses does not determine the level of UV protection. For instance, a light amber-colored lens can offer the same level of UV protection as a dark grey lens.

My sunglasses are too tight or too loose. What can I do?

Since we currently don't have a flagship store, we may request that you visit your nearest optician for any necessary adjustments to your sunglasses. Kindly check the size of the sunglasses before placing an order with us.

Do my KINDSIGMA™ sunglasses come with a warranty?
  • Each pair of KIND SIGMA Eyewear is accompanied by a one-year manufacturer warranty starting from the original date of purchase. Please note that this warranty does not cover damages from regular wear and tear, improper use, or any other form of negligence. To qualify for a replacement , exchange, or refund, you must submit pictures of the defects as proof. Once the proof is received, we will furnish a shipping label for you to return the defective sunglasses.
  • Please submit all inquires to support@kindsigma.com
  • Although we meticulously inspect all our sunglasses before dispatch, in the unlikely event that you discover a manufacturer defect we may have overlooked, we will readily provide a replacement if the item is in stock. Additionally, free shipping applies to all domestic warranty replacements.
Where is KINDSIGMA based?

KIND SIGMA has been founded in Sharjah, United Arab Emirates.

What materials are KIND SIGMA sunglasses made from?

KIND SIGMA eyewear is Handcrafted from a premium plant-based Cellulose Acetate, serving as an environmentally friendly substitute for less sustainable plastics. This material enables a diverse array of distinctive colors and patterns. Each frame is equipped with robust barrel hinges and stainless-steel cores to ensure longevity. Furthermore, the frames are complimented by CR39 lenses, delivery nearly impeccable clarity and resistance to scratches.

Where are KIND SIGMA sunglasses are made?

We collaborate closely with our reliable suppliers in Shenzhen, China, who meticulously handcraft all our eyewear. Regular visits to our suppliers are conducted to ensure that ethical labor standards are constantly upheld by everyone involved in the production process. While our Acetate typically comes from Italian Mazzucchelli, we prefer to expand ourselves beyond a single source.

Can I track my order?

Yes! For orders within the UAE, delivery is handled by Quiqup, and you'll receive a WhatsApp notification with live tracking once your package has been collected and dispatched. For international orders, a tracking link will be sent to your email once your order is on its way, allowing you to follow your shipment in real time through the assigned courier.

Is shipping free?

We offer complimentary next-business-day delivery within the United Arab Emirates through our trusted domestic partner, Quiqup. For international orders,free standard shipping is available on orders of $300 and above. Orders below $300 are subject to standard shipping rates, which vary by destination. Full details are available on our Shipping & Handling page.

Do you ship to P.O. Boxes?

No, we can ship only to residential or business addresses.

What is KIND SIGMA return policy?

At KIND SIGMA, we offer our customers a 14-days return policy, which means you have 14 days after receiving our item to request a return. Please refer to our RETURN POLICY page for more information.

What is KIND SIGMA exchange policy?

At KIND SIGMA, we welcome exchanges if there is an issue with your purchase. To request an exchange, please contact us at hello@kindsigma.com. For UAE orders, return shipping for exchanges is complimentary. For international orders, customers are responsible for arranging and covering return shipping using a tracked courier service of their choice. Once the returned item has been received and inspected, your replacement will be dispatched via one of our trusted courier partners. Delivery times vary by destination.

Do you provide international shipping?

Absolutely. We ship to over 50 countries worldwide via trusted international courier partners. All international orders are shipped DDP (Delivered Duty Paid), with applicable import duties and taxes covered by KIND SIGMA.You will not be charged additional import duties or taxes upon delivery.Shipping rates and estimated delivery times vary by destination. Full details are available on our Shipping & Handling page.

Can I track my order?

Delivery times vary by region. All orders are processed and dispatched within 1 business day, Monday through Friday, excluding UAE public holidays.

  • UAE: Free next-business-day delivery via Quiqup
  • GCC (Saudi Arabia, Kuwait, Qatar, Bahrain, Oman): Standard 3–5 days · Express 1–3 days
  • Europe: Standard 5–8 days · Express 2–5 days
  • United Kingdom: Standard 4–6 days · Express 2–5 days
  • United States & Canada: Standard 5–8 days · Express 2–5 days
  • Asia Pacific: Standard 5–8 days · Express 2–5 days
  • Australia & New Zealand: Standard 6–10 days · Express 3–6 days
  • Rest of World: Standard 7–12 days · Express 3–6 days

Delivery times are estimates from the date of dispatch. Delays may occur due to customs clearance, remote delivery locations, adverse weather conditions, peak periods, or public holidays.

Can I change or cancel my order?

We cannot accommodate changes or cancellations once an order has been processed and dispatched from our warehouse. If you wish to return an item after delivery, please request a refund by emailing support@kindsigma.com, following the instructions outlined in our Return Policy.

How many days does it take for my order to arrive?
  • Next-business-day delivery for orders within the UAE.
  • International standard delivery: approximately 3–12 business days, depending on destination.
  • International express delivery: approximately 1–6 business days, depending on destination.
  • All orders are processed and dispatched within 1 business day, Monday through Friday, excluding UAE public holidays.
  • Delivery times are estimates and may be affected by customs clearance, remote locations, adverse weather, peak periods, or public holidays.
Can I cancel my order?

Sorry! We cannot accommodate changes or cancellations once orders are processed and dispatched by our warehouse. If you wish to return an item, please request a refund by emailing support@kindsigma.com, following the instructions outlines in our RETURN POLICY.

To which countries does KIND SIGMA ship?

We provide worldwide shipping to most countries. Please refer to our shipping page for the list of eligible destinations. We do not ship to countries listed on the OFAC (Office of Foreign Assets Control) sanctions list, in accordance with UAE laws.

What payment methods does KIND SIGMA accepts?

KIND SIGMA accepts all major credit cards through Stripe payment gateway, which offers the following:

  • Mastercard.
  • Visa.
  • PayPal.
  • Apple Pay.
  • Google Pay.
  • American Express (AMEX).
Is it safe to use my credit/debit card online?

We prioritize your online security. To ensure a safe, simple, and secure shopping experience, we employ Secure Socket Layers (SSL), the industry standard for transferring information to process your order. To maintain the privacy of your information, we do not process or store any payment details in our database.

Is it possible to pay with cash?

Currently, it is not possible as we only accept online payment methods.