The Clam Nanook XT Thermal Shelter is a premium ice fishing shelter because of its features and lightweight design. This ice fishing shelter is perfect for two anglers going out on the ice for the day or a single angler that is just looking for more space but doesn't want a heavy shelter. The Clam Nanook XT Thermal Shelter will continue to be a favorite for many anglers and with its updated design, anglers will have more headroom and will have no problem getting in and out of their house through the side doors.