• Lightweight Sport TR90 frame
• Rubber Bridge & Temple Tips (for a non-slip fit)
• Advanced Hinge Technology
• Adaptive Photochromic Lens

The Edge sunglasses are ergonomically designed to be superior in comfort, in high performance sporting conditions. Rubber nose pads and temple tips ensure these sunglasses won't slip when the temperature heats up. Lightweight TR90 frames offer 100% memory, to hold your glasses in precise alignment for added comfort and performance. The extremely durable frames coupled with shatter-proof polycarbonate lenses make these sunglasses perfect for the golfing.

An inherent and important factor of the design, are the hinges on the sunglasses which are a key factor of their strength. The outstanding hinges are used for their exceptional strength and durability, to prevent frame distortion, and to ensure a great fit wear after wear. The smooth action of the hinge remains stable throughout its full range of motion providing maximum hinge strength and superior comfort.

For safe and durable wearing, Dirty Dog lenses consist of layer upon layer of advanced technology bonded together to maximise UV protection and enhance the clarity of your vision. For optimum UV blockage, the lenses each contain 4 UV filters. All Dirty Dog lenses are treated with two specially developed hard coatings to make the lenses extremely scratch resistant and prevent the deterioration of lens clarity. For all environmental light conditions, Dirty Dog Photochromic lenses adapt to different brightness. The Photochromic sunglasses lenses change from light to dark with a switch time of 0-50 seconds and from dark to light with a switch time of 0-180 seconds.