Back in the 90s, running shoes werent afraid to show off their goods. PUMA added to the visual technology boom with Trinomic: clear rubber cells that collapsed & rebounded to improve cushioning, stability, motion control & much more. Trinomics first superstar was the PUMA XT family. The combination of materials in this version adds a sporty & feminine touch to our cult model. XT1 CITI SERIES.BLK trainers by Puma. Synthetic leather uppers Synthetic lining Fabric cushioning Rubber sole Lace-up fastening