12.4 크로스핏 - 케틀벨 박스스텝업 4mom

#크로스핏,#crossfit,#WOD,#crossfitwod,#스포츠1번가,#스포츠1번가장비,#4mom,#2mom,#2emom,#케틀벨박스스텝업,#백스텝런지,#KBboxstepup,#backsteplunge