Closeup man legs stretching on wet sand

man stretching training karate sand beach closeup legs feet sportsman martial arts workout nature strong barefoot practicing exercises technique seacoast sea waves kimono active unknown unrecognizable fighter squat summer sunlight athlete day male healthy outdoors taekwondo close up slow motion dirty wet judo kata tattooed hands doing outside concept lifestyle white sportswear combat technique beautiful seashore flexible adult fit caucasian sporty european