Sportsman exercising in loft building

man boxer legs training boxing fighter fight moving workout fit male kickboxing kickboxer unrecognizable sportsman muscular athlete feet afro sneakers club active indoors person slow motion african american dark gym professional black power multi ethnic multiracial multi racial hard hit physical challenge functional trainer hardcore endurance silhouette effort energy multiethnic sport motivation kick fitness exercise healthy lifestyle loft building physical activity handsome guy athletic challenge adult people closeup close up powerful