The best-selling new Trek top NX just got even better. Featuring angled styling, zipper less side windows and the original sun rider flip-back panel. You can run it as a fully-enclosed, all-season soft top or remove the sides and rear window and enjoy it as a Safari bikini-top. It's the newest EDITION to our Trek top NX family and works with All factory and half steel doors as well as Be stop door kits (sold separately).