Abstract: A foot orthotic having a foot support where the foot support includes a thermoplastic outer shell, a closed cell foam liner within the outer shell, and a tongue to secure the user's foot within the foot support. The orthotic also typically has includes a lower leg support that includes a thermoplastic outer shell, a closed cell foam liner within the outer shell, and a strap to secure the orthotic to the user's leg within the lower leg support. A cinching mechanism that typically has a rotatable tightening knob is on the lower leg support, and a tightening cable coupled to the rotatable tightening knob and operably connected to the foot support.