To shop for sunglasses for unisex online at the best price, you can follow these steps:

Choose a Trusted Online Retailer:
Start by selecting a reputable online retailer or e-commerce platform known for selling sunglasses. Popular options include Amazon, eBay, Zappos, Sunglass Hut, and the official websites of well-known eyewear brands.

Use Search Filters:
Once on the website, use search filters to narrow down your options. Filter by gender (unisex), style, shape, brand, and price range to find sunglasses that match your preferences.

Browse Product Listings:
Browse through the product listings to view the available sunglasses. Pay attention to product descriptions, images, and customer reviews to get a better understanding of the sunglasses' features and quality.

Compare Prices:
Compare prices across different sellers or websites to ensure you are getting the best deal. Keep in mind that prices may vary based on the brand, style, and additional features such as UV protection and polarized lenses.

Check for Discounts and Deals:
Look for any ongoing promotions, discounts, or special deals that may be available. Some websites offer seasonal sales, coupon codes, or bundle offers that can help you save money.

Read Customer Reviews:
Customer reviews can provide valuable insights into the quality, comfort, and style of the sunglasses. Reading reviews from other buyers can help you make an informed decision.

Check Return and Warranty Policies:
Before making a purchase, review the website's return and warranty policies. Ensure that you can return or exchange the sunglasses if they don't meet your expectations or if they arrive damaged.

Select the Right Size and Fit:
Pay attention to the sizing information provided for the sunglasses. Some websites offer tools or guides to help you find sunglasses that fit your face shape and size comfortably.

Add to Cart and Checkout:
Once you've found the sunglasses you want, add them to your cart and proceed to the checkout process. Make sure to provide accurate shipping information and payment details.

Payment and Security:
Use secure payment methods, such as credit cards or reputable online payment services like PayPal, to complete your purchase. Ensure that the website uses encryption to protect your personal and financial information.

Review Your Order:
Review your order details, including the sunglasses, quantity, price, and shipping method, before confirming your purchase.

Place Your Order:
After confirming your order, place it and wait for the order confirmation email, which typically includes an order number and estimated delivery date.

Track Your Order:
If the retailer provides order tracking, use it to monitor the status and estimated delivery date of your sunglasses.

Receive and Inspect Your Sunglasses:
When your sunglasses arrive, inspect them carefully to ensure they are in good condition and match the product description.

Enjoy Your New Sunglasses:
Once you've received and verified your sunglasses, you can start wearing them and enjoying your stylish eyewear.

Remember to keep your purchase receipt or confirmation email in case you need to contact customer support or make a return or exchange. Enjoy your new sunglasses!