Rubber sole Rubber sole Style#: BQ5615-001 A full-length rubber outsole has been reengineered to provide greater traction, while the rubberized heel and OG synthetic overlays add durability. VAC-Tech construction on the molded synthetic upper provides dry warmth in any conditions. Reflective elements The Nike Air Max 97 Utility puts a cold-weather spin on a classic style. Synthetic panels, engineered rubber and reflective touches let you feel secure when hitting the streets.