nike air zoom spiridon 16 gpx roundel Tegn på slid Str 42.5 Nike joins forces with Roundel once again and this time around the two are set to release the NikeLab Air Zoom Spiridon GPX x Roundel. Inspired by the 100th anniversary of the Johnston font that has become synonymous with the Transport for London transit system and the '90s garage rave scene, the sneaker features a white-based upper with a sublimated all-over print, a shiny Swoosh, a reflective mudguard, reflective taping, and a white sole.