Swarovski UCS Universal Comfort Strap - The UCS universal comfort strap prevents fatigue thanks to its ergonomic design and wide neck section. Whatever the weather, your comfort is ensured through the use of high-performance materials. The UCS universal comfort strap can be quickly and intuitively adjusted to the length you need via a quick-lock clasp on each side. Suitable for all NL Pure, EL, and EL Range binoculars with FieldPro package.