Koncrete Boxing Training Facility in Reno, Nevada, is the home of current USBA, IBA and IBF Cruiserweight Champion Kelvin Davis and the Koncrete Boxing organization. Kelvin possesses superb boxing skills combined with devastating power proven by his impressive knockout record (mostly heavyweights). One of the most exciting fighters today, satisfying boxing enthusiasts longing to see a power puncher in the cruiserweight division. We are open seven days a week, offering the best Boxing training in the city.