Tempo is a real light weight contender, the lightest in the Bliz product line. This model is developed for sports such as running and multisports in mind. It,s a great choice when crisp and clear vision is an important requirement.Tempo is equipped with Hydro Lens Tech. A lens with high optical quality for clear vision in different weather conditions. Included with Tempo is an extra contrast lens. With featherlight weight, great fit and optimal vision you have all you need to get to the top. Technical features:Adjustable Nose Pad:- The nose pad is adjustable for a more comfortable and optimal fit around your nose.CE Standard:- All Bliz Active products are CE-marked which means that we follow the basic health- and safety demands which can be found in the EU- Directives that are given on this product group.Grilamid TR90:- This highly flexible high-tech material provides very low weight and excellent performance in any weather condition.Hydro Lens Systemâ„¢:- Bliz Hydro Lens Technologyâ„¢ A lens that’s delivers Perfect Curve, Max UV-Protection, X-PC Shatter Proof, Hydrophobic, Anti Scratch and when desired Multicoating or Polarized in one great lens.Rubber Wire Core:- The temples in Rubber Wire Core allows you to adjust the glasses for a more tight fit around your head.Unbreakable Polycarbonate Lens:- The lenses are made of Unbreakable Polycarbonate which are 10 times more impact resistant than plastic or glass lenses and offers the highest degree of protection.100% UV-Protection:- Bliz Active Eyewear protect your eyes efficiently against harmful UVA and UVB-rays.Weight 24g:- Lightweight sports glasses weighs only 24g:- Click In Head Strap- Attachable click-in head strap:- Removable top bar