High Impact Girth Channel is made from thick heavier density foam. Measures 40 inches in length and 5/8 inch thick, black foam girth liner (channel) that will absorb more shock and abuse than conventional channels.- Compressed Foam Girth Pad (High Density)- Grooved down the center to help prevent gall sores. - The girth lays in the concave portion of the channel, to avoid pinch or irritate your horse. One size fits all. Available in black. Manufactured in USA.