Flexible goggles, comfortable neoprene foam padding, adjustable headstrap. Sides are vented to improve circulation and reduce fogging. Lenses are shatterproof polycarbonate, 100%UV protection, and are ANTI-FOG coated. These are available with bifocal strengths of +1.0, +1.5, +2.0, +2.5. These also come with a soft micro-fiber storage bag! And if you are using them for watersports, THEY FLOAT!!!