Abstract: A footpiece for locating a skier's foot on a ski, particularly a water ski, comprises a foot locating member made up of two foot locating portions. In use, one foot locating portion is fixed to the ski, whereas the other portion is slidingly located relative to the ski, the positional adjustment between the foot locating portions by the sliding displacement of the slidingly located foot locating portion permitting different sized feet of skiers to be snugly received by the foot locating member. A flexible strap engaged with the slidingly located foot locating portion permits displacement of said portion by applying tension to the strap, suitable manipulation of the strap also permitting operation of a locking means for releasably locking the slidingly located foot locating portion in desired positions.