High durability polycarbonate lenses with 100% hypoallergenic silicone eye cup. UV and anti-fog lens treatment. Slim 100% silicone strap for a better fit. Manual adjustment of the strap at the nape of the neck. Interchangeable bridge. Recommended age: +12 Material: Silicone and Polycarbonate UV protection Anti-fog 3 interchangeable sizes for the bridge of the nose Strap delgado Height: 4.2 cm x Width: 14.5 cm x Depth: 3.3 cm Weight: 38.4 gr