The f(x) members (without Amber) participated in a photo shoot filming for sports brand K-Swiss on the afternoon of December 17th at a studio in Sungsu-dong. The girls are decked out in colorful outfits and relied on the use of props like electric lamps, electric guitars, drums and other equipment to portray a sporty feel for Spring. These photos will be used for the K-Swiss new season launch in early 2011. [gallery columns=4] Source: MyDaily Photos: K-Swiss