éComfy Moda London , forever Comfort Function and Style. They are made with the finest synthetic leather, resistant to water and snow. They are well sealed with waterproof seams. They are sewn with 200g 3M Thinsulate insulation plus 1000g faux fur to stay dry and protect coldness. Stainless steel cleats are mounted on the rubber insole, designed to increase grip on snow and ice. If your shoe sizes go between two full sizes, please insert the red insole on top of the inside insole.é