Brand: MBTStyle: BosiSize: Men"s US 9-9.5 (EU 43)Color: BlackFull grain leather upperStrengthens and tones muscles in the feet, legs, rear end, stomach, and back Antimicrobial Dry&Cool mesh and foam sock lining assists moisture managementTPU and glass fiber shank adds firmness to sole construction and ensures a natural rolling movement of the foot for even weight distributionMasai Barefoot Technology(R) simulates barefoot walking for improved gait and fitnessCushioning midsole, traction patterned sole