Seated adult man with light to medium tan skin and thick thighs, defined quadriceps and hamstrin

Seated adult man with light to medium tan skin and thick thighs, defined quadriceps and hamstrings; Pose: seated on black rubber gym flooring, legs extended forward with knees slightly bent; right hand pulling up the waistband of dark shorts or underwear near the crotch area while wearing a blue button-up shirt that is partially unbuttoned; Wardrobe: shirtless torso, bare chest not visible (head out of frame), white crew socks on both feet; Setting: indoor gym with black rubber floor tiles and brown leather bench edge; Lighting: soft directional light highlighting leg musculature with subtle shadows under thighs; Camera: close-up crop from thighs down to feet, center-right composition; Mood: premium fashion editorial aesthetic; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces