SNSD released their CF for JCE FreeStyle Sports, where not only did they prove themselves to be athletic, but also quite hot while doing so. Want to know their secret? Well, you can now since JCE has also released the behind-the-scenes footage of the CF filming.

We can see Yoona enjoying herself as she laughs while running on the soccer field. Meanwhile, Sooyoung put on her game face as she put on goalie gloves and released sand into the air. Jessica and Hyoyeon played a bit of basketball and Jessica even makes a basket. Check out the free-spirited and fun making-of film!