The synchronized seat and back move in harmony with the user to provide continuous comfort Seat glide adjustment moves the seat cushion forward or back to adapt to upper leg length Waterfall seat edge promotes better leg circulation DESIGNED, ENGINEERED & ASSEMBLED IN THE USA: When you buy HON, you’re buying quality furniture that’s more than a practical solution– you’re buying proudly American designed, engineered and assembled office furniture, backed by a lifetime warranty and network of dealers.