This 2 pair of men s shoe trees combines the useful features of your run-of-the-mill insert with the aromatic properties of red cedar to provide excellent footwear care. By gently supporting the shoe, this shoe tree will increase the life of your shoes exponentially. The shoe tree is made of eastern red cedar. This material is gentle on footwear, making it a great choice for dress shoes and genuine leather. The contoured toe box provides ample support to the shoe. This will help prevent creases and cracks. The tension-loaded system allows this shoe tree to fit into men s shoe sizes 10 to 13.