Peculiarities: The top layer of the insoles is made of 100% premium quality sheep wool which provides warm comfort, wool insoles provide excellent comfort and warmth to your feet both in cold winter and on rainy days. The bottom layer of the sports insole is made of PU with a unique honeycomb structure which is designed specifically to completely absorb shock and reduce stress on the feet. The insoles are also equipped with ventilation holes that can reduce odor and absorb moisture produced by the feet. Sizes: size 40-43 (25-27.5 cm). Equipment: 2 pcs Orthopedic insoles for shoes.