Acne Studios Unisex Tops. Fashion category: Hoodies & Sweatshirts. SKU: CI0121-AI3. Color: Grey Purple. Acne Studios Unisex Grey Purple Faro Printed Heat-Reactive Hoodie. Crafted from a heat reactive fabric made of cotton, this hoodie features a midweight fleece finish, long sleeves, ribbed trims, drawstring hood, and finished with a large lettered logo Im like an open book across the chest. 100% Cotton.