BOSS Arigon_Runn_GT4 Trainer in BlackBOSS Arigon_Runn_GT4 Trainer in Black. A classic trainer part of the Porsche x BOSS collection. Thos sporty style trainer desgined using a mixture of materials, including leather and suede. There is branding on both the heel tab and tongue of the trainer. Finished with an exclusive label on the side panel. Porsche x BOSS collection Exclusive BOSS label Sporty trainers 100% Calfskin, 40% Polyurethane, 35% Polyester, 25% Cotton Product Code: 50460536