10-28-2008 J.Biz Nike is celebrating 20 years of ACG with its Air Magma boot. The Air Magma was the first ever hiking boot. It is a throwback but has new technology like waterproof rip-stop nylon upper. It comes in colorways exclusive to regions of the world. Yellow is for the States, black is for the world, magenta is available at the Nike Sportswear at 21 Mercer N.Y., and the gray and purple are yours if in Asia. Out Nov. 22 at Nike Sportswear stores. nikesportswear.com