Wolverine X4 850 21-22 Soft Side CoversYamaha Genuine Soft Side Enclosure perfectly fits your Wolverine X4 while providing protection from the elements. Works with the hard or soft rear window, suntop and poly windshields for a complete enclosure. Protects occupants from rain, wind, mud and light trail debris Zippers operate with doors for easy ingress and egress Windows can be rolled up and secured with straps when not in use Quick snap on pull off installation Attaches with hook and loop