 String bikinis and other revealing clothes are common in surfing , though most surfing bikinis are more robust with more coverage than sunning bikinis . Surfing Magazine printed a pictorial of Kymberly Herrin , Playboy Playmate March 1981 , surfing in a revealing bikini , and eventually started its annual bikini issue . The Association of Surfing Professionals often pairs female surf meets with bikini contests , an issue that divides the female pro @-@ surfing community into two parts . It has often been more profitable to win the bikini contest than the female surfing event . 
