Tifosi is the Italian word for 'super-enthusiast' and so provide eyewear that is comfortable hard-wearing and high performing for a range of outdoor activities.These sunglasses feature polycarbonate ventilated decentred lenses. This ventilation increases airflow and helps.Knowing that you'll be competing while wearing them the glasses have been designed to increase grip when in contact with sweat. Hydrophilic rubber resists aging and UV breakdown as well as providing a no-slip fit at the rubber ear and nose pieces. Fits small to medium faces Weight: 26g