DO High sunglasses Do High is a dedicated sports frame with a greater coverage than its sibling DO low. The slightly higher frame hinders light from entering from above. Injected in grilamide for low weight & durability with an adjustable nose piece in hydrophilic rubber to keep the frame firmly in place. The lenses are made in NXT a lens material that provides superior optical performance & protection. Treated with anti-scratch anti-reflective oleophobic & hydrophobic coatings. The lens provided is grey with a VLT of 15% (Cat 3) Â- a neutral tint that is relaxing for your eyes for long term use.