For the August 2018 launch of the standout size? x Falcon 'Acid House' sneaker, adidas partnered with renowned UK retailer size?. Alongside the shoe's debut, it was presented as part of the Acid House capsule collection, paying homage to the highly influential rave culture of the 80s. The unique design of this edition incorporates a combination of nubuck, mesh, and leather, complete with a Torsion midsole unit for enhanced stability and support. Notably, each insole features a smiley face design inspired by Acid House, reminiscent of Trimmy, the mascot of the German Sports Confederation in the 1970s.