Calvin Klein Collection calls on model Clark Bockelman once more, this time around to star in the label's spring-summer 2015 advertising campaign. Hitting the beach with photographer David Sims, Clark models creative director Italo Zucchelli's clean, minimal styles. Combined with a sporty edge, Clark also showcases Calvin Klein Collection's trendy new sunglasses. / Styling by Joe McKenna. Hair by Jimmy Paul. Makeup by Diane Kendal. Set design by Gerard Santos.