The exclusive and patented bi-silicone technology adds unprecedented features to a material that already offers high performance; thanks to a softer silicone, it easily to any face offering incomparable comfort. A more rigid silicone, on the contrary, is used for the mask piece to give higher resistance to mechanical stress within the joints between the rigid frame and the mask itself. Moreover, it supports HEADs Exclusive Rapid Adjust Buckle system permitting a secure base for personal adjustment of the head strap. With Jaguar LSR+, you are certain to wear a really painstaking developed product with a distinct and fashionable look.