Air Max 90 'Mountaineering The Nike Air Max 90 ‘Mountaineering’ treats the retro runner to an outdoor-inspired makeover. The upper combines a Team Gold mesh base with tonal leather overlays and multicolored TPU accents. Decorative stitching is applied to the navy textile mudguard, while webbing pull tabs in Total Orange are appended to the tongue and heel. Additional details include lace locks, mismatched Swooshes and metallic silver detailing on the medial-side mudguard