XMark Fitness 11-Gauge Seated Calf Raise with Height Adjustable Swiveling Thigh Pads, Dual Olympic Weight Posts, and Wide, Textured Non-Slip Foot Brace Bar (Gray or White) Build strong, powerful calves with the XMark Seated Calf Raise XM-7613. XMarks seated calf raise features 11-gauge 2 x 3 steel construction, bolted on skid resistant feet and a scratch resistant, baked powder coat finish. Designed with height adjustable swiveling thigh pads which rotate with you as you perform calf raises. Features dual Olympic weight posts and a wide, textured, non-slip foot brace bar. Ultra thick 3" Duracraft cushions offer firm support.