adidas adiZero LJ 2 - Men's The adidas adiZero LJ 2 long jump shoe is now even lower to the ground. This lightweight track spike gets you up to speed fast for longer flights. Stable forefoot, new simplified upper, and a breathable, mono-mesh rearfoot. Welded, stitchless composite membrane with suede inner frame and SPRINTWEB overlay. Forefoot spike plate. Replaceable spikes. Includes 3/8" pyramid spikes and a wrench. Wt. 7.2 oz.