The Nike Air Tech Challenge 2 “Stone Blue” brings back a ‘90s classic with all its vintage energy intact. With perforated leather, cracked lava graphics, and bold orange hits, it’s a nostalgic nod to Andre Agassi tennis-era style. Lightweight, cushioned, and court-ready — this one’s for the old-school loyal. Leather Upper, Lace Up Closure, Swoosh Branding, Nike Air Cushioning, Rubber Outsole, Style Code: FZ9033-101, Nike, Shop All Sneakers. This iconic tennis silhouette returns from the archive coined in its 'Stone Blue' and 'Sail' colourway from 1990. Up top, a static underlay is layered in technically placed, perforated real and synthetic leather uppers. Underfoot, a visible Air Unit is nestled within the aged midsole, while colour coordinated 'Tart' Swooshes sketch off across the sidewalls cementing the comeback of a grail. | FZ9033-101. Reviving a 90s icon, the Nike Air tech challenge II sneaker pays homage to Andre Agassi's tennis-era style. Lightweight, cushioned, and court-ready, this latest iteration blends nostalgia with modern performance. Features a mid padded collar, lace fastening, leather upper, Swoosh branding, Nike air cushioning, and a rubber outsole. Item code: FZ9033-101.