I used them a few times a month, but I have even fewer opportunities to wear them now, so I've been storing them in a dark place. I'm listing them for sale. I've included a photo of the logo under blacklight at the end so you can verify its authenticity. M990GL6 Made in USA 990 v6 GL6 27.5cm US9.5 Width:D [Item Details] A new triple black colorway has been released for the "Made in U.S.A. 990 v6," which was born in 1982 and updated in 2022 for its 40th anniversary. It features cutting-edge technology such as an N logo placed under the overlays, FuelCell for excellent cushioning and responsiveness, and an ENCAP structure in the heel for stability support. Main Color: Gray Model Name: 900 Series Model Product Name: 990V6 Material: Suede Country of Origin: Made in U.S.A. Stains, tears, odors, etc.: None Please refrain from purchasing if you are sensitive, as this is a used item managed by an amateur.