Polaris Sportsman ACE Complete Door Kit by Factory UTVThese fully operational Polaris Ace doors are constructed from mild steel tubing and powder coated for excellent durability. Plastic skins are made from top quality thermoplastic olefinic elastomer. This high impact polypropylene offers a Textured finish with excellent durability to endure extreme weather conditions. Plastics are UV stabilized, resistant to chemicals. Doors mount using existing mounting locations on the Polaris Ace with additional