Outlander: Check out what Claire's going to wear now 

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this season may have left everyone speechless, but her dressage gown in the May 7 episode holds a special place in the heart of the drama’s costume designer.

Terry Dresbach told EW that Claire’s “one-of-a-kind” layered gown that she wears to a Paris stable was made of a pink, yellow and plum silk/wool blend fabric that she found in a San Francisco shop. But it wasn’t the material that made the costume so memorable; it was what happened when she and her husband/showrunner Ronald D. Moore were looking to buy it.

“While I was looking at the fabric, a woman standing across the room said, ‘That’s amazing. Have you ever seen

,’” recalls Dresbach. “I said, ‘As a matter of fact, this is for

. And this is the executive producer.’ She freaked out and said she loved the show. I had no choice but to buy it.”

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