Just Don x Jordan Legacy 312 'Ghost Green' Air Jordan Legacy 312 NRG Lime Green 2018 *ULTRA RARE* men’s size 11.5 01/31/18 AQ4160-301 Worn once and has a little nick on the letter “R” on the left back. No box. These are $190 on StockX and $247 on GOAT. NRG is a sneaker term that stands for “Energy.” Nike reserves the NRG terminology for momentous, hype-worthy projects, including the Air Yeezy 2 and Union x Air Jordan 1.