BOSS Titanium Run Trainers in Open Grey. Hybrid trainers with synthetic coated fabric accents, featuring branding throughout, this super-lightweight premium shoe is set on a ridged EVA-rubber outsole. Secure lace fastening closure and synthetic coated fabric designed to resemble real leather. Fully lined and fits true to size. These trainers are a size 6 in grey and feature a hybrid design with synthetic coated fabric accents and branding throughout. The super-lightweight premium shoe is set on a ridged EVA-rubber outsole and has a secure lace fastening closure. The synthetic coated fabric is designed to resemble real leather and the trainers are fully lined and fit true to size.