Adjustable rubber nose pads 100% UV protection Shatter-resistant, scratch-resistant polycarbonate lenses If you find your glasses falling off your head frequently, then let&';s introduce you to the Bobster Stella. The lightweight frame and adjustable rubber nose pads are uniquely designed to maintain a secure, comfortable fit throughout all types of physical activities. The polycarbonate lenses are scratch-resistant, shatter-resistant, and provide 100% UV protection.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }