About This Breathable Mesh: Allows air to pass through and moisture to escape to reduce fogging, and water to escape after a swim. Spherical Lens: Provides an improved field of view, optical clarity, a wider peripheral vision, and ample room for ventilation and whiskers. Durable Frame: Holds up to the wear and tear you can expect from the most active dogs. Impact Resistant: Polycarbonate lenses are shatterproof and designed to protect against larger objects that can cause blunt eye trauma and fine particles that can irritate eyes. Strap System: The fully adjustable strap system is easy to adjust, allows for increased stability and a full range of motion, and can be tailored-fit to any dog. All goggles come with 1 Clear & 1 Smoke Lens and microfiber storage bag. Overview Size : Large Minimum Weight Recommendation : 2 Grams Occasion : All Theme : Dog Special Feature : Cooling