The frame is made of heat-moldable Kydex(r). The splint is fully lined with dense foam and cushioned with a layer of soft, washable Kodellu fleece. Soft loop straps with hook tabs. Recommended for supine or sitting position only. Excellent for serial splinting, plantar fasciitis or for prevention of plantar flexion contractures. The foot section measures 11-1/2in long x 5-1/2in wide (29 x 14cm). The calf section measures 11-1/2in long x 5in wide (29 x 13cm). Weighs 1 lb. (.45kg).