Sweatpants by Iceberg, Iceberg logo to side, The bigger the branding, the better, Zipped pockets, Fitted cuffs, Slim fit, A narrow cut that sits close to the body. Created in 1974 by Jean Charles de Castelbajac and Giuliana Marchini Gerani, Italian label Iceberg set out to craft a ready-to-wear collection of luxe athleisure. Today, the brand continues to keep things fresh with its playful T-shirts, logo tracksuits and embellished jeans.