The Nike Space Hippie 01 Black Navy is a shoe built for sustainability as well as comfort. Its upper is knitted from Space Waste Yarn, polyester made of recycled plastic bottles and materials. Featherlight Crater Foam is built into the oversized midsoles. Swooshes adorn either side of the upper in stitching details, with further stitching found on the toe and heel. Inspired by life on Mars, the exploratory sneakers are crafted from recycled and scrap materials, making them Nike's sneakers with the smallest carbon footprint to date. Experts praise the innovative build and eye-catching appearance, which makes it a conversation piece. Originally released on October 5, 2021, the sneakers sold for a retail price of $130.