SiTech ORUST set with Silflex neck seal and clips - stdORUST Neck System is the third generation of Neck System. An even softer and more flexible Modular Quick Change Solution for the neck! The design provides superb comfort and can be mounted in a great range of garments. The Neck Ring and the Lock Ring is made in a softer material and clips are added to keep the neck seal in place. Tool is no longer needed for installation of the neck seal; the seal and Lock Ring can easily be mounted into the PU Ring