Remains permeable to moisture vapor and oxygen

Attaches to itself at the top of the head

It has a four wing tip and a funnel end

non-woven rayon pad between two non-adhering polypropylene contact layers

Theratrac Cervical Traction, Large Sold By:1 Each Remains permeable to moisture vaporThe Theratrac gently stretches neck muscles allowing the vertebral discs to realign, freeing the nerve root tissue from the pressure of the discs. Helps locked neck muscles to slowly stretch and relax, allowing misaligned vertebrae to resume their normal supportive position. Cradles the head and neck via a curvature in the neck portion of the device, as well as a special head rest section that is vertically pneumatic. Both the headrest and neck