What is Nike Studio Fleece? What is the Nike innovation in Studio Fleece? Nike is introducing Studio Fleece: the ultimate uniform for the everyday athlete. Studio Fleece Fits, Weights and DesignThe world of Studio Fleece begins with two fits: a classic standard cut that’s closer to the body, and a roomier oversize cut that offers a more relaxed look. Together, Studio and Solo Fleece speak to the essence of Nike Sportswear: Through athlete insight, Nike innovation, thoughtful design and personal expression, the collections reflect more than just product — they’re the ultimate uniform for the everyday athlete.