These classic style frames are made of Titanium, the strongest and lightest material available, infused with spring loaded hinges, soft silicone nose pads and silicone temple side frame tips into a frame that is fully adjustable to comfortably fit you. Cedar Rolled Composite on the temple piece (Albatross and Mustang) works to block sunlight. Each frame is designed to be worn with or without a headset, helmet or hat that can be worn for several hours without discomfort due to our innovative and stylish frame designs.