Top Form 18 Human Hair Hairpiece by Jon Renau is designed to add gorgeous volume at the crown. This 100% human hair topper integrates with your own hair for a supremely natural look. It can even be styled with heat! Model is also wearing 16 easiXtend pro. Monofilament Double monofilament allows multi directional parting while providing the appearance of natural growth and superior comfort. Its open cap allows for superior ventilation for maximum scalp cooling. The polyurethane strip is there for use with adhesive if needed. The ear tabs allow for customization with bendable wire. It also features adjustable tabs that allow the wearer to adjust the circumference.