The Zip cushion's dual-layered foam base combines structural support and comfort. Typically, a child using an 8" wide cushion may require a slightly softer foam than a child using a 14" wide cushion. For this reason, the firmness of the Zip's foam base increases with the cushion width.
The comfortable and soft outer cover offers a unique benefit: it's antimicrobial. The X-static fabric is impregnated with silver, which studies have shown actually inhibits microbe growth. This same material is also used in bandages, hosiery, and footwear to name a few. The outer cover is black as standard, and additional spares covers in pink or blue can be purchased.
A dual layered contoured foam base, and a soft, stretchable outer cover create a very comfortable ride for kids. The 3DX spacer fabric in the outer cover also promotes air movement to prevent heat and moisture build-up.