Hydrophobic Lens Coating: Hydrophobic coatings are a state of the art lens coating which cause water to bead & run off-similar to the old watercoating effect of fabric/carpet sprays. The benefits for on water are obvious. Adjustable multi-layer stitching elasticated headband For stay on control when you need it most. Detachable head band Makes wet glass the ultimate fashion & function sunglass.8 Base Curve Frames & Lenses The ultimate in a close comfortable fit that keeps side glare out.