Waterproof synthetic/mesh upper to keep feet dry and cozy ​ Alternative closure with hook and loop for easy on/off and adjustability​ 200g insulation on footbed and quarter lining helps keep feet warm​ Non-marking outsole with extra grip for superior traction and durability​ Temporary flocking material may be found on the outsole (bottom) of this shoe. The flocking material may peel off over the life of the shoe without impacting performance.