Per Nike: The Nike Air Max 90 SneakerBoot gives the groundbreaking Air Max 90's sense of speed an internal neoprene collar that holds and protects the ankle for warmth and support without restriction. Fewer stitched panels offer a clean, modern look, while a winterized outsole provides traction on a variety of surfaces. Reflective accents increase visibility, and the Nike Air Max 90 SneakerBoot still carries the bold color pops that made the original Nike Air Max 90 legendary. Photos: Titolo