BOSS Parkour L Runner Trainers In Grey. A woven lace fastening with a suede lace stand in grey. Fabric uppers with a mix of white rubber and light grey suede overlays. The tongue features the signature BOSS logo debossed on a grey panel with a navy rubber print BOSS logo situated on the outstep. The red leather heel panel features the signature BOSS three stripes embroidered. A heel stabiliser with a foam midsole and a branded black rubber undersole..