Our innovative TRFF technology utilizes a unique three-dimensional grid structure with stiffer and finer fibers to mimic the insulating properties of goose down. This blend effectively traps heat, offering warmth comparable to natural feathers. With exceptional compression and rebound properties, it's easy to store and travel with, ensuring consistent warmth over time. VOITED gear featuring TRFF technology offers high-performance insulation without compromise, ideal for lightweight outdoor adventures.