*Used one time* Size: 7 men / 8 1/2 See pictures. Taking influence from cyberpunk and its futuristic technology, the Air Jordan 13 Low Singles' Day features a tumbled black leather and geometrically quilted Barely Green Durabuck upper that reveals a hidden code when exposed to sunlight. Jumpman logos on the heels, microchip graphics on the insole, and a semi-translucent outsole add the finishing touches to this futuristic design.