Mary Kate and Ashley Olsen have made oversize shades a signature part of their style, so it’s no wonder that the superstar designers have chosen to add vintage-inspired shades to their luxury label The Row. And though The Row’s sunglasses collection won’t be hitting stores until spring, Mary-Kate is already showing it off. The designer secretly debuted an oversized square frame – one of four styles that make up the collection – at the Burberry runway show during London Fashion Week. The other three styles include a classic metal aviator, vintage-inspired brow-line and a pair of round shades taken from the ’60s.

“We’re testing the market first and obviously these are four very different silhouettes, so we’re seeing what people are responding to and we’ll open up a couple more silhouettes for fall,” Ashley says of the collaboration with Linda Farrow Eyewear, who is already responsible for Bernard Wilhelm, Dries Van Noten and Jeremy Scott’s edgy eyewear.

Mary-Kate and Ashley have already made a mark in the accessories market with jewellery and shoes for their contemporary label, Elizabeth and James, but adding sunglasses proved to be a new challenge for the designers. “Designing eyewear was definitely more complicated than we thought, and of course, we wanted to be extremely hands-on. From what I understand, the first year with eyewear is figuring out what the process will be like for us specifically. I think everyone does it differently, whether it’s looking through old materials or archives or working with drawings and measurements,” Mary-Kate said. Sunglasses for The Row are expected to hit high-end department stores for spring with prices ranging from US$325- US$390.

Here is a sneak peak at 2 designs:

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