XMark Seated Calf Raise, Weight Plate Loaded, Dual Olympic Weight Posts, Height Adjustable Swiveling Thigh Pad, Lower… Featured! $346.00 Make sure this fits by entering your model number. Build strong, powerful calves with the XMark Seated Calf Raise XM-7613. XMark’s seated calf raise features 11-gauge 2” x 3” steel construction, bolted on skid resistant feet and a scratch resistant, baked powder coat finish.