Saucony has joined forces with the label a-feeling for their first-ever sneaker project, which is available for purchase now for a limited time.

Fans won’t actually know what the a-feeling x Saucony “The Science of Wow!” collab looks like until they’ve copped it, as the purchase period ends tomorrow, June 13, before the sneaker is unveiled on June 16. On the website, it shows a pixelated version of the collab. We can make out that the sneaker incorporates earth tones as well as contrasting purple and red accents. The name of the collab also references the tagline of Saucony’s Grid cushioning tech from the early ‘90s.

The a-feeling x Saucony “The Science of Wow!” collab is available now at a-feeling.us for $185.