The X-400 Thermal Hub boasts 64 square feet of fishable area but packs down small for easy transport. This 4-sided portable hub house has plenty of room for heaters, chairs, equipment, and other people! Anglers will also enjoy the unique X-series design and the black roof to attract sun and retain heat inside the shelter. As part of the “X-Series” of Clam hub fishing shelters, the X-400 Thermal has durable hubs and poles that make this an excellent shelter for the entire family, casual ice anglers, or hardcore anglers. Fish longer and more comfortably with the convenience and durability of an X-400 Thermal Hub Shelter by Clam Outdoors!