The evolution of leading ice and mixed climbing boot continues with the Phantom Tech. The latest version improves fit, protection and warmth while reducing it's eco-impact. Primaloft? Gold and Ortholite? O-Therm up the warmth factor, while a RECCO? reflector increases searchability. The final product maximizes your ability to accomplish your high-end, high-output ice and mixed climbing objectives, allowing you to move quickly and efficiently over technical terrain.