sporty girl wearing sports top is putting on a signal tape as reflector for safety

abdomen adult arm athlete athletic athletics background black blond clothing competition darkness fitness front fun girl hair hairstyle happy isolated jogger jogging joy led lights limb longhair marathon muscle neck night ponytail poses posing pretty puts putting reflecting reflection reflector runner safety schoolgirl signal slim smiling sport sports sportsbra sportstop sportswear sporty studio tape teen teenage teenager thigh top training undefined wear wearing white youth