Reebok, a licensed CrossFit footwear and apparel provider since 2011, developed the Reebok Nano as a customized shoe for the fitness program. This sneaker, known as the R CrossFit Nano 8.0 'Green Parchment', boasts a Flexweave upper with adaptive strength due to fibers woven in a figure-8 shape. With its steady platform and flex grooves at the sole, this shoe offers a natural feel while providing support during high-impact movements, weightlifting, and short-distance running.