A flexible nose piece structure for eyewear according to one embodiment, includes a base structure having a pair of nose piece bodies defining grooves on the respective front end and outer side thereof. The nose piece structure further includes a soft and flexible comfort piece having a pair of nose pads attached to an inner side and filling elements received in the grooves of the respective nose piece bodies. Therefore, the nose piece structure provides comfort and multiple flexibilities for self-adjustment while maintaining enough rigidity to provide a stable configuration.